Ever wanted a tattoo of Rihanna's autograph and kiss? Neither have we, but some people out there do and bids have reached $2,750 so far to have her kiss and autograph inked on their skin. Rihanna and other celebrities, including Justin Bieber, Lenny Kravitz, Adele and Katy Perry, have teamed up with celebrity tattoo parlor Bang Bang NYC to auction off their 5 in. by 5 in. signed kisses along with the option to get a tattoo from Bang Bang of the prints. Proceeds from the auction, XXX for Animals, go to rescue groups Animal Haven and Empty Cages Collective. Bidding ends at 2 p.m. today, so if you want "xoxo muah!" from Justin Bieber on your skin forever, get on that bidding.