This ring, designed by Cynthia Wolff, is quite classy - regardless of who its coming from...Kevin purchased the ring after the couple was married and pregnant with their first child as a gesture of love (and so people would stop calling him a 'mooch.'

Richie's inverted cushion cut pink sapphire in a pave undercarriage and split diamond pave band was given to Richie by DJ AM after a roller coaster relationship.The couple broke off their engagement after 10 months. Rumors of Madden proposing to Richie have been surfacing, so we may have an updated ring to share soon! Richie, 24, and Madden, 28, are expecting their first child in January 2008.

Music exec Jordan Bratman, 27, found just the right ring for Aguilera, 24, a five-carat diamond-and-platinum sparkler designed by London jeweler Stephen Webster.

Heigl was given a pear shaped diamond flanked by pave diamonds. A Ryan Ryan design, this ring has sentimental value...half of the platinum band is from her mother's own engagement ring.  The couple was married December 2007 in Park City, UT.