Harry Styles reportedly had a busy weekend -- not with Kendall Jenner, but with his new rumored girlfriend Sky Ferreira.

The Midnight Memories singer and Ferreira were spotted together enjoying their night out on Friday night (Valentine's Day) at The Box, a cabaret club in London, where they apparently got quite flirtatious with each other.

"The two of them were together for most of the night and seemed all over each other -- whispering in each other's ears and giggling," a source claimed. "They were joined later on by supermodel Cara Delevingne and her sister Poppy and although it might have been weird as Cara and Harry were linked before, the whole group was having a great time."

The source added that the couple "left at the same and looked very merry -- they were stumbling down the stairs."

Furthermore, the British boybander allegedly was spotted sitting front row at the Burberry fashion show next to the blonde singer on Monday (others claimed she was Alison Mosshart), while Kendall Jenner is currently in London as well for the Fashion Week.

However, Sky Ferreira quickly took Twitter to address the recent rumors about her and the One Direction singer -- it turned out she was not in London with Harry Styles on Friday, but was on a cruise in the Bahamas. "Went to sleep @MarcJacobsIntl, woke up @theweezercruise," she tweeted. "Apparently I can be in two continents at once?" She then added her specific whereabouts: "In Jacksonville FL with @DIIV. Thanks."