Melissa Etheridge and Tammy Lynn Michaels split: Michaels admits burning son with cigarette

The Melissa Etheridge split from Tammy Lynn Michaels jumped right to the top of the ugly scale, this after Michaels admits on her blog that she burned her son with a cigarette.

While Michaels writes in a poem that the burning was an accident, she says, "That kid has insane pain tolerance/His tender flesh to the nicotine pencil on fire/So fast, so quick, he insisted it didn't hurt."

Michaels says that the incident happened while she was outside smoking a cigarette and her son snuck up from behind her. She adds, "I alerted his other mother immediately, because/It's the right thing to do/No matter how embarrassing."

Etheridge and Michaels are in the midst of a nasty custody battle over their twins. Michaels has reportedly asked for a significant bump in her $23,000 per month child support payments. She's also requesting that Etheridge pay her $120,000 legal bills.