Stars & Their Pets: Purr-fect Moments of 2011Julianne Hough's puppy love! Blake Lively and Ryan Reynolds's doggy dates! Revisit the year's sweetest animal encounters

BLAKE LIVELY & RYAN REYNOLDS

The Gossip Girl sends Maltipoo Penny to surprise beau Reynolds with a bouquet of balloons on his 35th birthday (Oct. 23) while visiting him on the Boston set of R.I.P.D..