Rock Stars: Big Rings!

Who has the largest diamond? Check out the rings on Katie, Jen, Avril and seven other stars. By Janice Morris


After scoping out 10 rings (and taking two for test runs), the heiress finally has her rock – all 23-plus carats of it. Hilton, 24, had trouble picking a sparkler after accepting a proposal from boyfriend Paris Latsis, 22, in May, but she finally chose a white-diamond piece from a private dealer and designer. "The ring is beautiful," says a source, "and she's happy."