Country star Carrie Underwood is reportedly dating British singer OLIVER TREVENA after dumping American football hunk TONY ROMO. The American Idol winner and Romo went public with their romance at Christmas (06), after the singer was spotted cheering the quarterback on at a Christmas Day (25DEC06) Dallas Cowboys game. But now she has been spotted hugging and kissing Trevena after he drove her to Los Angeles' LAX airport late last month (JAN07), where she was scheduled to catch a flight. A source tells Us Weekly magazine, Underwood and Trevena began dating weeks ago.