As Kelly Osborne (engaged to Matthew Mosart) makes style statement with her flashy engagement ring ( which she has got made from her dad earring) this weekend we take a look at the top 5 out of the box and classic engagement rings that celebrities have flashed in the recent times

Kate Middleton: Just blessed with a baby boy, the Duchess of Cambridge wears a non- traditional sapphire and diamond ring. Prince Willaim got it custom made with his mother's Garrard Jewelers. The ring looks as scintillating as Kate herself and we won't be surprised to see, her baby boy getting inspired by her mother's ring when he is all grown up and ready to get hitched!

Halle Berry: The actress married Oliver Martinez on Saturday , July 13 in a small Chateau in France. Previously wedded to David Justice, Berry tied knot for the third time and we wonder how did Martinez stole her heart? We think it is because he asked her to marry with a diamond and emerald Robert Mazlo ring. An extraordinary piece of jewelry to give to your lady love.

Jessica Simpson: To commemorate her July birthday, Eric Jhonson gifted her with a 5- carat ruby ring. The rings suits Jessica's personality. Neil Lane, the celebrity jeweler told msn.com, "It's a classic design with a twist because the side stones are pear-shaped."

Angelina Jolie: Recently in news for her double mastectomy, married to handsome Brad Pitt, Jolie flashes a 10 carat diamond ring which Pitt got especially made from Beverly Hills jeweler, Robert Procop. The ring looks perfect on Angelina's beautiful hands.

Keira Knightly: We were taken aback by Keira's humble choice for engagement ring. James Righton put a two carat diamond ring on her finger and she now proudly shows it off. She has recently added a gold band to it.

Gold Kate Middleton