Charlize Theron and her furry friend at the 2004 Annual Lint Roller Party in Hollywood. Check out more photos from Life.com

Perez Hilton holds entertainment reporter Alicia Jacobs' dog, Star, at the 2009 premiere of Peepshow in Las Vegas. Check out more photos from Life.com

Jason Lee, Amy Adams and James Belushi pose with Leo the dog at the New York City premiere of Underdog in 2007 . Check out more photos from Life.com

Janet Jackson says hello to a snake outside a Las Vegas party in 2006. Check out more photos from Life.com

Sacha Baron Cohen brings a workhorse to the 2006 premiere of Borat: Cultural Learnings Of America in Hollywood. Check out more photos from Life.com

Richard Belzer and his dog, Bebe, at a 2006 benefit in New York City. Check out more photos from Life.com

Santa arrives on a horse-drawn sleigh to the Los Angeles premiere of Cheaper By The Dozen 2 in 2005. Just pretend they're reindeer. Check out more photos from Life.com

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Tori Spelling and her pooch arrive at a Los Angeles store opening in 2005. Check out more photos from Life.com

Penguins stroll the red carpet at the 2004 Los Angeles release party for Disney's Mary Poppins 40th Anniversary Edition DVD. Check out more photos from Life.com

Lauren Bacall and her dog, Sophie, walk the Texas Hall of Fame Awards red carpet in 2005. Check out more photos from Life.com

Vin Diesel and Gary the duck attend the Hollywood premiere of The Pacifier in 2005. Check out more photos from Life.com

Nicole Richie attends a 2004 Hollywood fashion show with her dogs. Check out more photos from Life.com

Otis the dog does tricks at the Los Angeles premiere of Son of the Mask in 2005. Check out more photos from Life.com

A horse goes medieval for the European King Arthur premiere alongside Keira Knightley in London in 2004. Check out more photos from Life.com

Gary Busey and Cody the chimpanzee attend the world premiere of Moto X Kids in 2004. Check out more photos from Life.com

Olivia Williams and Nana the dog attend the 2003 world premiere of Peter Pan in London. Check out more photos from Life.com

Pink and her dog, Focker, strike a pose at the 2001 MTV movie awards in New York. Check out more photos from Life.com

Bruce Almighty star Buster the dog attends the Hollywood premiere in 2003. Check out more photos from Life.com

Magellanic penguins stop by for the March of the Penguins premiere during the 2005 Los Angeles Film Festival. Check out more photos from Life.com

John Travolta poses with firemen and their station's dog at the 2004 premiere of Ladder 49 in Los Angeles. Check out more photos from Life.com

Britney Spears picks up Bit-Bit at the 2004 Billboard Music Awards. Check out more photos from Life.com

T-Pain arrives atop an elephant at the 2008 VMAs in Los Angeles. Check out more photos from Life.com

Mickey Rourke attends the 2008 Venice Film Festival, accompanied by his dog, Loki. Check out more photos from Life.com

Triumph the Insult Comic Dog gets in position to poop on Moby during a 2006 red carpet. Check out more photos from Life.com

The ninth-generation Lassie gets frisky on a CBS red carpet in New York in 2003. Check out our Oscar coverage and classic Academy Awards galleries