Their T-Shirts Say It All

From Rihanna to Lana Del Rey, these stars are paying homage to other celebs to a tee

JUSTIN BIEBER

Thank heavens Selena Gomez isn't the jealous type. When she made an appearance onstage with boyfriend Justin Bieber at the MuchMusic Video Awards in June 2011, she didn't seem to mind that her guy was wearing a T-shirt paying homage to Tiffani Thiessen in all her Saved by the Bell glory.