The 31-year-old professional dancer admitted to Ellen DeGeneres that he isn't always completely calm, cool and collected.
Derek Hough -- he gets anxious just like us!
The professional dancer showed his vulnerable side during his appearance on The Ellen DeGeneres Show on Wednesday.
Hough, who served as best man in Mark Ballas' wedding over the weekend, said he has long felt the pressure to deliver a speech worthy of his Dancing With the Stars pal.
"He asked me 17 years ago to be his best man," Hough told DeGeneres. "We were 14 years old, so there was a lot of pressure actually. Luckily it went well. I've never been more nervous in my life though, I was so nervous."
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The 31-year-old recently posted a touching tribute to Ballas and his new wife, BC Jean, on Instagram. "Such an honor to be the best man at my brother's wedding," Hough wrote after the Malibu nuptials. "Witnessing their love be sealed under a beautiful Oak tree in front of family friends was such a special moment. Love you two."
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As for whether or not Hough will follow in his friend's footsteps? "I see myself married with kids within the next five years, so we'll see," he admitted on the daytime talk show, while also playing coy on whether or not he is dating anyone.
Though his current focus is on Hairspray Live!, Hough confirmed that he won't be returning to Dancing With the Stars next season, because he'll be joining Jennifer Lopez as a judge on NBC's World of Dance.
The star confessed that he is a bit nervous regarding the upcoming live musical that also stars Ariana Grande, Jennifer Hudson, Martin Short, Harvey Fierstein and Maddie Baillio.
WATCH: See the 'Hairspray Live!' Cast in Character in New Trailer!
"It's a challenge. The magnitude of it, it's like filming a full-length feature film live before your eyes," he told DeGeneres. "I got it down, but there are a few lines where I kind of flub my lines over. I can't say this word, 'gidget.' I asked them to change it, but they were like, 'No, we can't,' so fingers crossed."
Hairspray Live! airs Wednesday, Dec. 7 at 8 p.m. ET/PT on NBC.