"Bling Ring" star Emma Watson bared her back showing her pink bra as she planted a smooch on boyfriend Mathew Janney while walking in the streets of North London.

The couple was seen strolling when the "Harry Potter" star kissed her boyfriend of six months as they entered posh restaurant The Place at Regents Park for lunch, Daily Mail said.

The "Bling Ring" actress was dressed casually in a long-sleeved backless top, revealing her pink undergarment.

She paired her top with a printed lose trousers that fitted her petite legs. She completed her looj with a traditional sunglasses and a comfortable pair of black gladiator sandals. The "Bling Ring" actress' long locks were tied in a slightly messed bun.

On the other hand, Emma Watson's boyfriend Matthew Janney also wore it simple with blue button-down long sleeved polo and black shorts.

The couple has been dating for about a year now but the news confirming their relationship happened in January when they were spotted having a vacation in Caribbean. Their recent public outing before their morning stroll down London was in New York City.

A source of Mirror was quoted saying, "It's early days but they're very much in to each other."

But the source added that Emma Watson's boyfriend "have finally met his match" after being such "a real hit with the girls." Mentioning that the rugby player is a "lovely guy," the source also noted that they are perfect match.

The actress once dated "Perk of Being a Wallflower" co-star Johnny Simmons and former classmate from Oxford University Will Adamowicz. Emma Watson and the latter just ended their relationship summer last year.

The actress, who rose to fame through the "Harry Potter" movies, recently graduated from Brown University with a degree in English Literature. She is now back in the big screen as she stars alongside Ethan Hawke in the film "Regression."