As Us Weekly exclusively reported on Sunday, the "What Do You Mean" singer has "bragged to friends recently that he has been hooking up with Kourtney Kardashian," according to an insider.
Selena Gomez's ex and the mother of three were spotted together at the Nice Guy in L.A. on Friday, Dec. 11, where an eyewitness told Us they "seemed flirty."
The pair also met up in October for dinner at Nice Guy before stopping by Universal Studios' Halloween Horror Nights attraction, and the insider told Us that Kardashian was also at Bieber's American Music Awards afterparty at Nice Guy on Nov. 22.
"Every time Kourtney and Justin are together they're extremely flirtatious," a second source told Us. "They text each other all the time."
And according to TMZ, the Keeping Up With the Kardashians star, 36, who split from Disick, 32, in July, later went to the Beverly Hills hotel The Montage, where Bieber often stays, and she didn't leave until 4 a.m.
