Brooke Mueller didn’t let her troubles with soon-to-be ex husband Charlie Sheen get in the way of celebrating their twin sons’ birthday, and RadarOnline.com has the pictures.

PHOTOS:  Brooke Mueller Celebrates Max & Bob’s Birthday

Brooke’s good friend, Paris’ mom Kathy Hilton, opened up her estate for the party Sunday.  Nicky Hilton and her boyfriend David Katzenberg were among the guests.

Dozens of giant balloons and colorfully wrapped presents were spotted.

PHOTOS: Brooke Mueller Goes Shopping With The Twins

Charlie’s youngest kids turn two on Monday.

PHOTOS: Brooke Mueller Hangs Out With Male Friend

PHOTOS: Brooke Mueller Out On The Town

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