Lori Loughlin Celebrates Her 51st Birthday on the ‘Fuller House’ Set — Plus See the Cast of ‘Full House’ Then and Now!

Happy 51st Birthday, Lori Loughlin!

On Tuesday, July 28, the actress' onscreen husband John Stamos took to his Instagram page to post a cute photo of the birthday girl celebrating her big day with her Fuller House costars!

"51 Flowers for our favorite fun girl. #HappyBirthdayBecky," John, 51, captioned a pic of himself posing with Lori, Bob Saget, 59, and Dave Coulier, 55.

Click through the gallery below to see the rest of the Full House cast then and now!