Usher really knows how to sing the blues. In his child custody trial, grinding away in Atlanta, he hit a few low notes after a lawyer for his ex-wife accused him of sleeping with one of the bridesmaids from their wedding.

And, you thought this only in the movies. Usher who is mentoring teen sensation Justin Bieber, better hope his young protege turns a blind eye and deaf ear to this chapter in the singer’s playbook.

Kind of makes you wonder, could Bieber really have fathered a child out of a back-stage tryst? If so, you know where he picked up the behavior.

At issue was a claim by the R&B singer that challenged ex-wife Tameka’s mothering skills. He alleged that she used a revolving door of nannies, causing instability in their childrens’ lives.

But that opened the door for Tameka’s lawyer to ask Usher why one of the nannies had bolted while the family was in Miami. He alleged that she caught Usher in bed with Maya Fox Davis, who was one of Tameka’s bridesmaids, according to gossip site TMZ.

The singer and the brides maid allegedly hooked up after the wedding.

There’s also a contentious exchange between Usher and Tameka’s lawyer regarding a spitting incident, according to the gossip site.

Check out the video below and start writing scripts for the television movie.