NAME: Seven
BREED: Greyhound mix
AGE: 14 months

ABOUT THE DOG:
Jillian Michaels rescued Seven from a Los Angeles shelter about a month after losing Baxter, her beloved Chihuahua. Jillian hadn't intended on rescuing another dog at the time, but couldn't bear leaving Seven at the shelter.

However, at the equestrian center where Jillian rides her horse Buzz, Seven circles the animal, barking incessantly. She's also tried to nip Buzz. Jillian is afraid Seven's antics will get her killed or hurt someone else.

ABOUT THE OWNER:
Jillian Michaels, best known as a fitness trainer from TV's The Biggest Loser, is also a fitness expert, life coach, author, radio host, blogger, designer and creator of DVDs and video games. She is also an avid horseback rider.

BEHIND THE SCENES:
Cesar tried taking a miniature horse on a pack walk with Seven.