Louis Tomlinson made a surprise appearance at Zayn Malik's Los Angeles concert this week, causing quite the stir among fans. The 32 year old singer acknowledged his "old friend" during his solo ...

Billy Currington and Kip Moore, 7 p.m. Friday, June 27, at the St. Augustine Amphitheatre. $39.75-$89.75. Ryan Adams, 8 p.m.