Stalking Hayden Panettiere

Heroes heroine Hayden Panettiere spends all day Monday in a fun and flirty yellow sun gdress while out with her dogs and friends.

She spent the morning walking her pet pooches Penny Lane and Madison.

Hayden, 17, then met up with a few friends in the afternoon to catch a matinee showing of Harry Potter and the Order of the Phoenix

Later in the evening, the underage hottie then met up with some girlfriends at Sunset Plaza and grabbed dinner at Koi.

30+ pictures inside of Hayden out and about all day Monday…