Somebody's feeling better about his "worst birthday!"
As we've reported, Justin Bieber was pretty worked up over his celebrations planned for this weekend going awry when security at the venue for his party, London's Cirque Du Soir, refused to admit his underage friends like Jaden Smith, ultimately prompting he and his entire entourage to leave early!
And while the pop sensation has remained out of the public eye for the majority of the weekend, he managed to take a deep breath and perform his latest Believe Tour concert stop at Capital FM Arena in Nottingham, before putting on a smile for his fans and heading back to his hotel!
Ch-ch-check 'em out (above and below)!
Later on, he even