Justin Timberlake confessed he once hooked up with a member of the Spice Girls during an appearance on Tuesday's episode of The Ellen DeGeneres Show.
The singer, 37 - now happily married to actress Jessica Biel, 36 - made the candid revelation during a game of Never Have I Ever with his NSYNC bandmates Lance Bass, Joey Fatone, JC Chasez, and Chris Kirkpatrick.
The group were asked by the show host: 'Never have I ever hooked up with a Spice Girl', to which Justin hesitantly turned his paddle to read 'I have.'
While a name wasn't revealed, the musician has previously been linked to Baby Spice, otherwise known as Emma Bunton, 42.
In an interview with Grazia magazine in 2016, Emma was asked about rumours claiming she'd enjoyed a fling with the Cry Me A River hitmaker back when they were both single in 2003.
Emma, who has been in a relationship with singer Jade Jones on and off since 1998, responded: 'I'm going to have to say no comment.'
She said: 'We were sitting there, in an airport, five girls altogether, and then some guy comes up and he says, "Hey I’m in a band, I got my friends, can we come and sing for you?"
'They stood there and they could sing. And it was NSYNC and that was Justin Timberlake. But they shut us up because they were good.'
Justin has been happily married to actress Jessica Biel, 36 - the mother of his son Silas, three - since 2012.
During the Ellen appearance, Justin, Lance Bass, Joey Fatone, JC Chasez, and Chris Kirkpatrick all confessed to having hooked up with someone on their tour bus.
But none of them admitted to ever hooking up to an NSYNC song.