Rihanna Tweets Photo of Knuckle Tattoo

Rihanna just tweeted a photo of her new knuckle tattoo!

The already heavily tattooed singer posted a new photo of her knuckles etched with "Thug Life" in tribute to late rapper Tupac who had the same words tattooed on his stomach. She also posted a few photo of herself getting another tattoo on her lower back and a photo with a heavily tattooed artist.

Check out Rihanna's Thug Life tattoo and sound off in the comments!