Stalker Sarah's Celebrities Photos Near 5,000, 16-Year-Old Knows All the Stars

Stalker Sarah's celebrities photos number nearly 5,000 since the 16-year-old girl started taking pictures with stars over four years ago. The girl, who goes by "Stalker Sarah" or "Sarah M" has amassed a collection of snapshots with A-list, B-list, C-list and D-list celebrities in Hollywood.

Stalker Sarah's mass of photos with celebrities raised questions; how does a high-school girl have time to attend parties, events, concerts, and still go to school? Her answer: her dad takes her everywhere in return for good grades.

"As long as I got straight A's in school he would take me to every event that he possibly could," she said during an interview on "Good Morning America." "I got straight A's and he had to keep that deal."

It also helps that the young girl lives near the stars- many of her photos have captions that imply she sees celebrities all the time near her home in Los Angeles. Some of them she's sees so often that she doesn't ask for a picture.

"I always know the right situation," she said. "So normally if I don't think it's going to be good for them, if I don't think they look right or I don't think they're going to want to take a picture, I just don't ask."

Her passive stalking and photos with famous celebrities like Justin Bieber, Brad Pitt, Angelina Jolie, Julia Roberts, Kim Kardashian, Robert Pattinson, Miley Cyrus, and Katy Perry has gained her some fame herself. Instead of stalking celebrities, now she is invited and known at their events, even though she doesn't always necessarily take advantage of it.

"I've been in a lot of really private situations with people where I don't even ask for a picture," Sarah revealed. "I see Miley around the neighborhood. I see Hilary Duff walking her dog all the time. And I hadn't even had a picture with Hilary Duff yet, and she's one of my favorites. But I'm like no she's walking her dog."

Despite her status as a follower-turned-friend of the stars, Sarah has managed to keep some semblance of anonymity around herself. She never reveals her last name, or what her father does- many have speculated he might be part of showbusiness, which would give "Stalker Sarah" her in.

Although the girl has taken pictures with thousands of celebs, she is still missing one: Britney Spears.

"I see [Britney] a lot and I have met her and I have talked to her but it's another one of those situations where it's at the park or she's with her kids and just not approachable," she told GMA.