Mason Disick Celebrates His 3rd Birthday With The Kardashian Sisters
![//mason disick birthday party](https://media.radaronline.com/brand-img/yK6aGUUzx/480x251/2012/12/mason-disick-birthday-party-09.jpg?position=top 480w, https://media.radaronline.com/brand-img/yK6aGUUzx/640x335/2012/12/mason-disick-birthday-party-09.jpg?position=top 640w, https://media.radaronline.com/brand-img/yK6aGUUzx/768x402/2012/12/mason-disick-birthday-party-09.jpg?position=top 768w, https://media.radaronline.com/brand-img/yK6aGUUzx/1024x536/2012/12/mason-disick-birthday-party-09.jpg?position=top 1024w, https://media.radaronline.com/brand-img/yK6aGUUzx/1280x670/2012/12/mason-disick-birthday-party-09.jpg?position=top 1280w, https://media.radaronline.com/brand-img/yK6aGUUzx/1440x753/2012/12/mason-disick-birthday-party-09.jpg?position=top 1440w, https://media.radaronline.com/brand-img/yK6aGUUzx/1600x837/2012/12/mason-disick-birthday-party-09.jpg?position=top 1600w, https://media.radaronline.com/brand-img/yK6aGUUzx/2160x1130/2012/12/mason-disick-birthday-party-09.jpg?position=top 2160w)
Dec. 15 2012, Published 2:55 p.m. ET
Mason Disick Celebrates His 3rd Birthday With The Kardashian Sisters
1. Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
![//mason disick birthday party _ _](https://media.radaronline.com/brand-img/df9nL_xAy/368x500/2012/12/mason-disick-birthday-party-09_-_1.jpg 368w)
Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
1. Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
![//mason disick birthday party _ _](https://media.radaronline.com/brand-img/h6OM3TRMq/368x500/2012/12/mason-disick-birthday-party-09_-_1.jpg 368w)
Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
2. Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
![//mason disick birthday party](https://media.radaronline.com/brand-img/ESYj5ofB_/320x500/2012/12/mason-disick-birthday-party-10.jpg 320w)
Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
2. Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
![//mason disick birthday party](https://media.radaronline.com/brand-img/OW_Cp1085/320x500/2012/12/mason-disick-birthday-party-10.jpg 320w)
Auntie Khloe Kardashian carries birthday boy Mason, arriving at his 3rd birthday party in Miami Beach.
3. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/GZqYuH6Dl/335x500/2012/12/mason-disick-birthday-party-04.jpg 335w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
3. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/SKbtOAEnf/335x500/2012/12/mason-disick-birthday-party-04.jpg 335w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
4. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/t_tXvp1UY/328x499/2012/12/mason-disick-birthday-party-02.jpg 328w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
4. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/Qc1eRiDv5/328x499/2012/12/mason-disick-birthday-party-02.jpg 328w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
5. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/MpbRy8U4s/303x499/2012/12/mason-disick-birthday-party-06.jpg 303w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
5. Kourtney Kardashian arrives, carrying baby Penelope in her arms.
![//mason disick birthday party](https://media.radaronline.com/brand-img/bcsG-kX-j/303x499/2012/12/mason-disick-birthday-party-06.jpg 303w)
Kourtney Kardashian arrives, carrying baby Penelope in her arms.
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6. Kim Kardashian joins the family to help celebrate.
![//mason disick birthday party](https://media.radaronline.com/brand-img/W3Z6UmI6F/323x499/2012/12/mason-disick-birthday-party-08.jpg 323w)
Kim Kardashian joins the family to help celebrate.
6. Kim Kardashian joins the family to help celebrate.
![//mason disick birthday party](https://media.radaronline.com/brand-img/E8frCas8D/323x499/2012/12/mason-disick-birthday-party-08.jpg 323w)
Kim Kardashian joins the family to help celebrate.
7. Mason has fun at the Thomas the Train themed party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/OY9zUQA5m/365x499/2012/12/mason-disick-birthday-party-01.jpg 365w)
Mason has fun at the Thomas the Train themed party.
7. Mason has fun at the Thomas the Train themed party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/FHzNC9HrM/365x499/2012/12/mason-disick-birthday-party-01.jpg 365w)
Mason has fun at the Thomas the Train themed party.
8. Mason has fun at the Thomas the Train themed party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/1CAXzTBe0/480x334/2012/12/mason-disick-birthday-party-05.jpg 480w, https://media.radaronline.com/brand-img/1CAXzTBe0/640x445/2012/12/mason-disick-birthday-party-05.jpg 640w, https://media.radaronline.com/brand-img/1CAXzTBe0/768x533/2012/12/mason-disick-birthday-party-05.jpg 768w, https://media.radaronline.com/brand-img/1CAXzTBe0/1024x711/2012/12/mason-disick-birthday-party-05.jpg 1024w, https://media.radaronline.com/brand-img/1CAXzTBe0/1280x889/2012/12/mason-disick-birthday-party-05.jpg 1280w, https://media.radaronline.com/brand-img/1CAXzTBe0/1440x1000/2012/12/mason-disick-birthday-party-05.jpg 1440w, https://media.radaronline.com/brand-img/1CAXzTBe0/1600x1111/2012/12/mason-disick-birthday-party-05.jpg 1600w, https://media.radaronline.com/brand-img/1CAXzTBe0/2160x1499/2012/12/mason-disick-birthday-party-05.jpg 2160w)
Mason has fun at the Thomas the Train themed party.
8. Mason has fun at the Thomas the Train themed party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/96Rts-EPt/480x334/2012/12/mason-disick-birthday-party-05.jpg 480w, https://media.radaronline.com/brand-img/96Rts-EPt/640x445/2012/12/mason-disick-birthday-party-05.jpg 640w, https://media.radaronline.com/brand-img/96Rts-EPt/768x533/2012/12/mason-disick-birthday-party-05.jpg 768w, https://media.radaronline.com/brand-img/96Rts-EPt/1024x711/2012/12/mason-disick-birthday-party-05.jpg 1024w, https://media.radaronline.com/brand-img/96Rts-EPt/1280x889/2012/12/mason-disick-birthday-party-05.jpg 1280w, https://media.radaronline.com/brand-img/96Rts-EPt/1440x1000/2012/12/mason-disick-birthday-party-05.jpg 1440w, https://media.radaronline.com/brand-img/96Rts-EPt/1600x1111/2012/12/mason-disick-birthday-party-05.jpg 1600w, https://media.radaronline.com/brand-img/96Rts-EPt/2160x1499/2012/12/mason-disick-birthday-party-05.jpg 2160w)
Mason has fun at the Thomas the Train themed party.
9. Kourtney can be seen enjoying the party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/5MRBrtGub/325x499/2012/12/mason-disick-birthday-party-03.jpg 325w)
Kourtney can be seen enjoying the party.
9. Kourtney can be seen enjoying the party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/mvR3saGiF/325x499/2012/12/mason-disick-birthday-party-03.jpg 325w)
Kourtney can be seen enjoying the party.
10. Kourtney can be seen enjoying the party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/PkWo7zWrj/346x500/2012/12/mason-disick-birthday-party-07.jpg 346w)
Kourtney can be seen enjoying the party.
10. Kourtney can be seen enjoying the party.
![//mason disick birthday party](https://media.radaronline.com/brand-img/6c5U3iNCV/346x500/2012/12/mason-disick-birthday-party-07.jpg 346w)
Kourtney can be seen enjoying the party.