Rhett is doing so with an original song, Hambrick's inspiration is Stevie Wonder and Dunn has remade Elton John's festive favourite.
Urban was named Entertainer of the Year at the Las Vegas event, where Rhett won the Male Artist category and there was double success for Musgraves.
Bryan, Thomas Rhett and Luke Combs will headline the event at Riviera Maya in Mexico from 23-26 January.
Chris Stapleton has no fewer than eight nominations for 2018's 53rd ACM (Academy of Country Music) Awards, which take place on 15 April.
Reba McEntire has been announced as the third headliner at the 2017 Country to Country Festival, joining fellow giants Brad Paisley and the Zac Brown Band.
The leading British-born country act, the Shires, have created history by signing a new deal for the US market with Big Machine Label Group's Dot label.
Kylie Olsson presents highlights from CTC 2016 & interviews Ashley Campbell, Thomas Rhett, A Thousand Horses, Maddie & Tae at the Big Machine Label hangout!
The first UK performance by reigning country queen Miranda Lambert was a triumphant culmination of the opening night of 2016's C2C Festival.
Thomas Rhett has been talking to uDiscover about being the “rookie” on this year's C2C Festival bill.
The 2016 C2C event rolls into London, Glasgow and Dublin next weekend (11-13 Mar), as a stellar bill proves country music is now a international phenomenon.
2015 was a year of landmarks and exciting happenings in country music, celebrated in uDiscover's latest 20 Songs playlist.
Just ahead of the CMA Awards, New Artist of the Year nominee Thomas Rhett is already celebrating, with his first No. 1 on Hot Country Songs.