It looks like Prince Harry's ex-girlfriend Cressida Bonas decided to show the royal just what he is missing as she stepped out to attend the Art Antiques London Gala Evening on June 10th.

According to Us Weekly, the blonde beauty let her hair down, as she looked smoking hot in a silver and black backless jumpsuit which displayed some serious side boob.

An onlooker revealed that the 25-year-old "looked confident and was in a great mood." Bonas spent a good portion of the night chatting with good friend and host, Princess Eugenie, who is the cousin of her ex-boyfriend and played match maker in their relationship.

Prince Harry and Cressida Bonas made the decision to break up back with in April after two years of dating. Although it is rumored that she is hurt over the split, on the surface it looks like the socialite is taking things well.

Check out photos of Cressida Bonas' side bob HERE.

Last month she was spotted painting the town red with Princesses Beatrice and Eugenie while wearing a hot navy halter dress which she partied in until the early morning hours.

It was recently confirmed that Bonas managed to land her first movie role post royal split. A source confessed that the dancer will star in Harvey Weinstein's "Tulip Fever" alongside Victoria's Secret model Cara Delevingne and Daisy Lowe.

A source told the Evening Standard the big news. The insider said, "It's so clever," adding, "They've cast actual models like Cara and Daisy [Lowe] to play the artists' models and for the part of the society lady they've cast Prince Harry's ex."

Joining Cressida Bonas, 25, on the big screen will also be the likes of "Glee" season 5 actor Matthew Morrison, Judi Dench, Zach Galifianakis and Christoph Waltz.

The film will be based on an adaptation of Deborah Moggach's 1999 bestselling novel of the same name. This is quite a change for Bonas who while dating Prince Harry kept a low profile and ventured even further away from the spotlight following her break up from her 29-year-old boyfriend.

Back in April when talking about the split a source said, "Cressida will focus on work for a while," adding, "She has no plans to start dating people."