The singer posted a new video to Instagram on Tuesday.
The two arrived arm-in-arm and were photographed having a blast inside.
ET caught up with Derek following Monday night’s ‘Dancing With the Stars.’
Eliminated 'Dancing With The Stars' contestant Anne Heche stopped by ET to guest co-host the show Tuesday.
The 'Today' show co-anchor has already filled out the paperwork.
ET spoke to Kathie Lee Gifford about her new film, 'Then Came You,' and latest children's book 'Hello Little Dreamer,' both out now.
'Today' host Hoda Kotb opened up about the possibility of expanding her family and her new book, 'This Just Speaks To Me,' out now.
The Duchess of Sussex also shared how motherhood has changed the way she thinks about leadership.
The rapper had a hearing for his felony assault charge on Tuesday.
The 24-year-old actress says she 'couldn't pick a better role model' than her grandfather, who immigrated to the US in 1960.
‘Two and a Half Men’ star Conchata Ferrell died on Tuesday.
‘Bachelorette’ Clare Crawley opened up to ET's Lauren Zima about her connection with Dale ahead of the premiere of Tuesday's episode.
The rapper also gushed to ET about his 'own Fly Girl,' Shantel Jackson.
The 'Real' co-host is explaining her controversial comments in a new 'DWTS' interview with ET.