From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...

The singer and actress made it clear that the ring was a gift and that she doesn't have any intention of returning it.

Following a Cinderella-blue Prada moment at the Golden Globes, Gomez donned a super-glamorous off-white minidress with a ...