2018 Country to Country Festival: 10 Best Things We Saw in the U.K.
Sugarland performed their first full reunion concert at the 2018 Country to Country Festival. Burak Cingi/Redferns

Country music's international appeal was reinforced this past weekend as more than 50,000 fans made the annual pilgrimage to the O2 Arena in London, one of three host cities of the annual Country to Country (C2C) festival.

For the past six years, a group of Nashville ambassadors, from veterans to up-and-comers, have picked up and relocated to stages across London, Dublin and Glasgow, for three days of arena shows, club gigs and songwriters' rounds. It's the only time of the U.K. year that you'll ever find cowboy boots, Stetson hats and tour T-shirts in such a concentrated form.

Rolling Stone Country trained its sights on London's O2 to catch sets by Music City royalty Tim McGraw and Faith Hill, the reunited Sugarland and breakout stars like Ashley McBryde and Lukas Nelson. Here's the 10 best things we saw.