Instagram Has Taylor Swift, Rihanna, More Celebs Hooked

With the announcement on Monday (April 9) that it had been bought by Facebook for a cool $1 billion, Instagram seems destined to be the next big thing. Especially when you consider the fact that celebrities like Taylor Swift and Kim Kardashian already smitten with the photo-sharing social network.

Of the 30 million users on the site, a few A-listers have been using the site to connect to their fans and show a more personal side of themselves, giving fans an inside view of what it's like to be them. So who are the most avid Instagram users in the celebrity world?

Taylor Swift is a leader of the pack with more than 1 million followers. Her more than 70 photos include her hanging on the beach, chilling with her friends and, most recently, in Las Vegas, where she won Entertainer of the Year at the Academy of Country Music Awards.

Like her pal Taylor, Selena Gomez connects by sharing a mixture of career-related and personal snaps with more than 1 million followers. Recently, she posted a snapshot of her and her dog, accompanied by the caption, "Me and chippers laying outside. He looks scared lol." She has shared more than 150 photos on the social network.

Meek Mill has posted more than 1,200 photos on his Instagram account to his nearly 250,000 followers. He often shares lyrics and photos of himself in the studio, with messages like "Me & @bigseangood just made greatness we gone drop it on y'all getting it next week!"

Rihanna has used her Instagram to create a sort of look book, sharing her fashion photos with nearly 450,000 followers. One of her most recent looks was a photo of herself at 13, smiling and sporting braids.

And Kim Kardashian has found yet another way to let the world in on her life through her account, which has attracted just shy of 1 million followers. The reality starlet recently poked fun at stepdad Bruce Jenner when she shared a photo of an old cereal box from his Olympic days with the message "Breakfast of champions!!!!"

Chris Brown, under the handle f---yopictures, has a following of nearly 250,000. His 69 photos feature him on set and hanging around shirtless at rehearsals as well as photos from his shoe collection.

Wiz Khalifa's more than 350,000 followers get a sneak peek into his personal life with photos of the MC with his fiancé, Amber Rose, his dog and his family.

Who's your favorite celebrity to follow on Instagram? Leave your pick in the comments section below!