Trey Songz’s accuser detailed what happened at the party in Hollywood Hills. Andrea Buera held a news conference with her attorney, Lisa Bloom. She says she’s known Trey for three years. She says there were witnesses that saw Trey Songz allegedly give her a beating that caused a concussion. She’d like them to come forward and she wants an apology from Trey Songz. More of what she said here.