1. The guys say they would, in fact, date a fan. (Psst: Their fans are also known as Limelights.)Photo: Getty Images
2. The boys are also open to getting band tattoos -- theyโre thinking โ1/5.โPhoto: Getty Images for iHeartRadio
3. Jack was able to take his little sister to Disney World after joining the band โ a dream of hers that she had been saving up for for two years.
4. The band is embarking on their 2018 โInvitation Tourโ in February, going all across the country in fairly intimate-sized venues. Better see them now before theyโre performing in stadiums! Photo: Getty Images
5. Before he was in WDW, Daniel made the Top 10 on โAmerican Idol.โPhoto: Rachel Kaplan for iHeartRadio
6. But even before that, he started out as a street performer, he revealed to iHeartRadio. Photo: Katherine Tyler for iHeartRadio
7. Corbyn is dating YouTuber Christina Marie (aka BeautyChickee).Photo: YouTube
8. One of Jonahโs biggest inspirations is Ed Sheeran.Photo: Katherine Tyler for iHeartRadio/Getty Images for iHeartRadio
9. And one of Jackโs biggest inspirations is Frank Ocean. Photo: Rachel Kaplan for iHeartRadio
10. As of Dec. 21, Danielโs Uber rating is a 4.78. Damn. Photo: Getty Images
11. The band officially formed on Sept. 27, 2016. Photo: Katherine Tyler for iHeartRadio
12. The guys couldnโt believe it when they were performing at Madison Square Garden as part of our iHeartRadio Jingle Ball Tour. Photo: Getty Images for iHeartRadio
13. Jonah is a โWizards of Waverly Placeโ fan. Photo: Disney Channel via Getty Images
14. Zachโs go-to pick-up line is, โAre you a fart? โCause you just blew me away.โPhoto: Jordan Corey for iHeartRadio
15. If they could walk up to any celeb and serenade them, theyโd all pick Selena Gomez. Photo: Getty Images