Mark Ruffalo Bares His Nipple for a Good Cause and More Celebrity Social Media Pics

We’ve rounded up some of the cutest, raciest and fun celebrity Instagram and Twitter pics from the past 24 hours featuring Mark Ruffalo, Kylie Jenner, Blake Shelton and more. 

Mark Ruffalo bares his nipple for a good cause, Kylie Jenner rocks Alexander Wang and Blake Shelton gives Adam Levine a helping finger.

Also, enjoy this Vin Diesel video:

A video posted by Vin Diesel (@vindiesel) on

Launch the gallery above to see those photos along with pics from Jared Leto, John Legend, Snooki and more!