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Justin Timberlake and Britney Spears were once the biggest couple in pop and the world from 1999-2002, and now the two may be rekindling their friendship with a possible collaboration. After Britney revealed she's down for the idea a few weeks ago, Justin is now saying he's open to working with his "Cry Me A River" target once again.

“She did? Sure! Absolutely, absolutely,” he told E! News’ Marc Malkin at the Toronto International Film Festival after hearing about Brit's comment (he was there to promote his Netflix documentary Justin Timberlake + the Tennessee Kids). "I have a 17-month-old so I don’t get the headline news. I apologize for not being in the know…I’m accessible, give us a call!”

During a Most Requested Live with Romeo Q&A ahead of the MTV VMAs, the "Make Me..." songstress was asked who she'd like to work with in the future. “I would love to work with…Aerosmith seems really good and bright," she stated. "He’s a genius, I think, and he’s very rock ‘n’ roll and he sings from his soul. Gwen Stefani, I think she’s great. Justin Timberlake is very good.” See the moment at the 4:00 mark below:

Prior to their breakup, the last time the pair collaborated was in 2001 for Britney's "What It's Like To Be Me." Sure, this news is more than enough to make diehard '90s pop fans who hope the two will get back together squeal with anticipation. But please, let's keep all good things in the past. 

Speaking of throwbacks, take this quiz to see if you can guess the year by Justin Timberlake's hair.