Full House fans, rejoice!

Uncle Jesse and Aunt Becky are quite the dynamic duo in real life, Lori Loughlin proved with a cute Instagram photo posted on Friday, Aug. 19.

The 52-year-old actress shared a sweet pic of herself and costar John Stamos in celebration of the actor's 53rd birthday.

"Have Mercy! 53 never looked so good! Happy Birthday, @JohnStamos. Love you tons!" Lori captioned the cute selfie of the two.

MORE: Lori Loughlin Makes a Funny Confession About John Stamos' Love Life — Find Out Here!

Lori and John have remained close friends since first starring as couple Rebecca Donaldson Katsopolis and Jesse Katsopolis, respectively, on Full House. Now, the two are back onscreen together reprising their beloved roles on the hit 90s sitcom's new spinoff, Fuller House.

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