• Christina Anstead announced via Instagram on Friday that she is pregnant.
• The "Flip or Flop" star is expecting her first child with her husband, Ant Anstead.
• She shares two children with her ex-husband and former HGTV costar, Tarek El Moussa.
• Her husband also has two children from a previous relationship.

Just three months after officially becoming Christina Anstead, the HGTV star is expecting her first child with her new husband Ant Anstead.

The couple announced Christina's pregnancy via Instagram on Friday.

"[Ant] and I are so excited to announce #babyanstead coming this September!!" Christina wrote in the caption. "The kids are all so excited to meet their new sibling."

She also added two hashtags: #5 and #Gonnaneedabiggercar!

Christina shares two children — 3-year-old son Brayden James and 8-year-old daughter Taylor Reese — with her ex-husband and former "Flip or Flop" costar, Tarek El Moussa.

Ant also has a son and a daughter from a previous relationship, named Archie and Amelie, respectively.

The "Wheelers Dealers" host also celebrated the good news on Instagram by posting a photo of the couple's existing four kids: "And then...... there were FIVE!!! (Well .... four and a half! Will be Five in September)!!"

Christina is geared up for a busy year; she's set to star in a new HGTV show, "Christina on the Coast," premiering on May 23.

SEE ALSO: Take a look inside the luxurious home of 'Flip or Flop' star Christina El Moussa

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