It was a wild Champions League night with stellar teenage scorers.

A Russian billionaire who accused Sotheby's of teaming up with a Swiss art dealer to cheat him of tens of millions of dollars became tearful while testifying in court and calling for more transparency in the art market.

Sotheby's is defending itself at a federal court trial against accusations that it participated in the defrauding of a Russian oligarch out of tens of millions of dollars for works by famed artists like Amedeo Modigliani and Leonardo da Vinci.

With Friday being “National Ex-Spouse Day,” here are 10 expensive celebrity divorces in history, according to wealthygorilla.com.