Justin Bieber Confirms R. Kelly Collaboration, Addresses Argentina Flag Controversy

Justin Bieber

"I'm so sorry for anyone who took my actions the wrong way," Bieber writes about inadvertently sweeping flag offstage.

Justin Bieber is still going strong with his downbeat, R&B-driven 'Music Mondays' release series, and it appears that next week's track will get an assist from a titan in the genre. On Wednesday (Nov. 13), Bieber told his Twitter followers that his previously-hinted-at collaboration with R. Kelly will be arriving "next week," although the teen superstar did not clarify whether or not the track would be part of 'Music Mondays' or a bonus cut outside of the series.

"I just did a song [with him]," R. Kelly told Vibe about Bieber earlier this week. "[Justin] just called me to do a song and it's hot. He wanted to go and do some R&B stuff so we got together and did that."

Listen To 'All Bad,' Justin Bieber's Latest Journal Entry

On a less savory topic, Bieber took to Twitter on Wednesday night to address the latest bump in the road on a tumultuous tour of South America. During Saturday night's performance in Buenos Aires, Argentina -- which Bieber left halfway through due to food poisoning -- the singer inadvertently swept an Argentinian flag off the stage with his foot and mic stand, causing an unexpected backlash when video of the incident went viral.

In a series of tweets, Bieber claims that he had no idea the garment thrown onstage was an Argentinian flag. "[P]eople throw stuff on my stage all show and i get it to the stage hands to get off so no one got hurt. that video i saw a bra and thought... it was a shirt. Im being told by my team it was a shirt but even if it was a flag I would never do anything to disrespect Argentina …or the people of Argentina or the fans. Im so sorry for anyone who took my actions the wrong way and I hope you can forgive this mistake," he wrote.

Bieber's Believe tour continues next Monday (Nov. 18) with a three-night stint in Mexico City. Meanwhile, the 'Music Mondays' series leads up to the Christmas Day release of "Believe 3D," Bieber's second feature film.