Happy birthday, Kelly Ripa ! The actress and TV staple celebrates her 55th trip around the sun on Thursday, October 2nd , and not only got to mark the big day while on the air on LIVE with Kelly and Mark , beside co-anchor and husband Mark Consuelos , but also with many of her famous friends. One of the first to post an online tribute, as he does every year, is close family friend David Muir . David and Kelly have been friends for several years now, dating back to the former's first days with ABC News in the aughts.

In honor of her big day, David, 51, took to his Instagram Stories with one of his favorite photos with the actress, a snap of them mid-laughter, cozying up to each other while seemingly at a party. "I know. I can't believe it either," he wrote with the photo.

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