Cressida Bonas is taking a page out of Kate Middleton's book in hopes of making her ex-boyfriend, Prince Harry jealous.

Prince Harry Cooks For Cressida Bonas To Win Her Back?

An insider revealed, "Cressida has taken leaf out of Kate's book. She looked absolutely stunning in her outfit last week and there's one man who she will have wanted to see those pictures - Harry. They got on really well. Could they find love again, like Kate did? It's possible."

In the first step of her rumored strategy, the 25-year-old beauty made an appearance at an event rocking a backless, black jumpsuit just last month. On top of that, she's got new arm candy and has been seen been getting her party on with a British actor, Benedict Cumberbatch, known for his role in Sherlock.

Prince Harry Texts Cressida Bonas Fifteen Times A Day?

Bonas and Cumberbatch were spotted together at London hotspot Chiltern Firehouse. It could just be a coincidence that they were with Princess Eugenie -- Prince Harry's cousin who first introduced him and Bonas.

On top of that, rumor has it that the royal called it quits with Bonas because she was "too boring." So her sudden interest in night life is said to be Bonas' attempt to prove a point.

A separate source revealed that her plan could work, but they might not be reconciling anytime soon.

"Harry is heartbroken over his split from Cressida. He's done his best to win her back but so far that hasn't worked. He's now putting his efforts to enjoying his summer as a single man and the World Cup and Glastonbury are the very top of his list."