Celebrity Instagrams we can't get enough of

Instagram, the iPhone app that manipulates mobile photos in a matter of seconds, makes ordinary folks into photographers and photographers into superheroes. Really. All a user has to do is snap a photo, select a "look and feel" and voila! Instagram automatically edits the picture -- no Photoshop necessary. The photo-sharing app recently hit 150 million photos.

Some of those "photogs" are celebrities! Take a look at these stars' recent Instagram shares...

Selena Gomez

"Ashley and I say hi Georgia :)" -Selena Gomez, pop singer and actress

Justin Bieber

"#showyourhearts" -Justin Bieber, pop/R&B singer

Chris O'Donnell

"This is not LA" -Chris O'Donnell, actor on "NCIS"

Snoop Dogg

"Bossin up wit dat Blast" -Snoop Dogg, rapper

Kendall Jenner

"Fammm" -Kendall Jenner, teen model and reality TV star

Rob Kardashian

"NEPHEW!" -Rob Kardashian, reality TV star

Christina Milian

"I will always follow your path." -Christina Milian, pop singer and actress

Joel Madden

"SELF PORTRAIT: Homeward Bound" -Joel Madden, pop punk musician

Tori Spelling

"Just posted a photo" -Tori Spelling, actress and best-selling author

Jamie Oliver

"I've found my place!!! Time for a street party!!" -Jamie Oliver, celebrity chef

MC Hammer

"Is this your bag ???" -MC Hammer, rapper

Kevin Rose

"I rarely use checks so I purchased the most redick ones I could find. Slogan is also my creation." -Kevin Rose, Digg co-founder

Rosie O'Donnell

"piers - who I have banned from my new show - making the moves on me at dinner" -Rosie O'Donnell, comedian and media personality

Nakia

"Me & @DiaFramps arriving in the windy city. #thevoicetour" -Nakia, "The Voice" contestant