Avril Lavigne was all smiles when she threw out the first pitch before last night's Tampa Bay Rays game, but she lobbed a few four-letter words at the crowd when a technical glitch messed with her post-game concert.
According to local reports, Avril's mic didn't work at the start of her show ... and she responded to the cavalcade of boos by yelling obscenities at crowd.
Rays rep Rick Vaughn tells TMZ, "The Rays demand profanity-free
performances from all of our concert performers and we are extremely
disappointed by the language used in last night's show. It is not
consistent with the family-friendly atmosphere that Tropicana Field is
Calls to Lavigne's rep were not returned.
UPDATE -- Several of our readers were in attendance last night and point out via our message board ... that while Avril did drop a few F-bombs, they weren't directed at anyone in particular. Her real fans, it seems, enjoyed the show just fine.