The 26-year-old “Sorry” star responded at length on Twitter Sunday night, posting numerous photos, news links and receipts he claims prove he was with then-girlfriend Selena Gomez and nowhere near the alleged scene that night.

“I want to be clear. There is no truth to this story,” he said of the sexual abuse claims made online by a woman named Danielle.

“I don’t normally address things as I have dealt with random accusations my entire career but after talking with my wife and team I have decided to speak up on an issue tonight,” Bieber wrote.

“Rumors are rumors but sexual abuse is something I don’t take lightly.”

Danielle claims the pop star forced himself on her in a room at the Four Seasons hotel in Austin, Texas on March 9, 2014, after he made a surprise appearance at the South by Southwest music festival.

“What this person did not know was that I attended that show with my then gf Selena Gomez,” Bieber wrote, although Danielle’s since-deleted claims mentioned Gomez repeatedly.

Bieber then produced receipts for an Airbnb he stayed at with Gomez — and not the Four Seasons — on the night of the alleged attack.

Other receipts show he stayed at a Westin the following night after his Four Seasons reservation got “messed up.”

“We have also confirmed with the Four Seasons regional manager that I was never on property on the 9th of March 2014 and never a guest on the 9th or the 10th and I welcome all press to inquire with them if needed or wanted,” Bieber tweeted.

He also posted photos and news clippings from the night, which he says helps confirm his denials.

It all shows he and Selena “were together that night and went from the venue to our Airbnb and never went to the four seasons,” he wrote.

“Every claim of sexual abuse should be taken very seriously and this is why my response was needed,” he wrote.

“However this story is factually impossible and that is why I will be working with twitter and authorities to take legal action,” he concluded.