Justin Bieber** is just keeping 'em guessing.

Though multiple sources confirmed to Us Weekly Nov. 9 that the pop superstar and his singer-actress girlfriend of two years, Selena Gomez, called it quits, Bieber kept mum on the subject, skirting breakup talk in a new interview with Open House Party Nov. 10.

"I don't know what to say," Bieber, 18, told Open House Party radio host John Garabedian in an interview Saturday, neither confirming nor denying news of the breakup. "I don't know what's going on in my life . . . To even assess that it doesn't make sense 'cause I have not made any comment."

Performing in Boston Saturday night on his "Believe" concert tour, Bieber took to Twitter after the show to thank fans for their support during his trying time. "Thank you Boston. Focused on the positive. #30MillionBeliebers with me. I'm never leaving you because you are always there for me."

Gomez, meanwhile, has maintained a low profile since their Oct. 31 breakup, hopping a plane from LAX to New York Nov. 10 after wrapping production on her Disney series Wizards of Waverly Place.

Taking their romance public in February 2011 at the Vanity Fair Oscar party, the couple long dodged breakup rumors throughout their courtship while Gomez, 20, faced backlash from Bieber's adoring fans on the Internet. Finally, Gomez decided to pull the plug on her romance with Bieber.

"Selena broke up with Justin about a week ago. It's been a really challenging experience over the last year because of their crazy schedules," an insider told Us on Nov. 9. "Selena definitely had some major trust issues with Justin."

This article originally appeared on Usmagazine.com: Justin Bieber Speaks Out on Selena Gomez Split