Aniston played the role of Rachel Green, Cox was Monica Geller, and Kudrow brought Phoebe Buffay to life. Courteney shared a photo with Lisa and wrote the caption, "Happy Birthday my Loot!

"Happy birthday," Jennifer Aniston wrote to ... and down and cheering as their Friends characters Rachel Green and Phoebe Buffay. Lisa Kudrow Says Jennifer Aniston, Courteney Cox 'Came Running ...