By Syndicated Content We spent 2020 dancing to Dua Lipa 's album Future Nostalgia . Now, Pentatonix is throwing it back to the '90s, with a club-tastic medley that's the perfect soundtrack for a six-minute dance party. In their new video, the group, dressed in their best '90s club styles, sings their way through an amazing 17 dance floor favorites a cappella style, including "Around the World (La La La La La)," the ATC song that Ava Max interpolates in her current hit, "My Head & My Heart." O.K., it came out in 2000, but close enough. Other smashes you'll hea...