Chelsea Houska received the best present for her birthday! The Teen Mom 2 star welcomed her third child on Wednesday, August 29.\n\nHouska, 26, announced the baby news with a first photo of her sweet baby girl in a white outfit wearing a stylish bow.“Happy birthday to YOU, sweet baby Layne,” she captioned the snap.\n\nHer husband Cole DeBoer shared the same snap with the caption, "Happy birthday to my sweet perfect wife Chelsea DeBoer who just gave our family this beautiful blessing! Sharing the same amazing day I am so in love with our family! Our newest edition Baby Layne!!"Layne is Houska’s third child. She is mother to Aubree, 8, with ex-boyfriend Adam Lind and Watson, 1, with husband DeBoer.\n\nHouska and DeBoer sold their Hartford, South Dakota home to make more room for their new addition.\n\n“They bought and already moved into a new one,” a source told Radar. “They really wanted a house with more room and acreage for animals in the county.”\n\nWhat do you think of the baby’s name? Tell us in the comments!We pay for juicy info! Do you have a story for RadarOnline.com? Email us at email@example.com, or call us at (866) ON-RADAR (667-2327) any time, day or night.\n\nFor the latest Teen Mom news subscribe to our podcast 'Teen Mom Time' below!