Christie Brinkley and Peter Cook have seen better days. Like this one above in 2003, when husband and wife traveled on the last commercial flight of the Concorde.

Today though, Brinkley's in divorce court in New York, the start of what figures to be an emotional and media-infested hearing over who will end up with custody of their two kids: Sports Illustrated bathing beauty Christie (who wants full custody) ... or the guy who cheated on her with his teenage assistant (who'd like to share custody).

"I'd hoped with all my heart we could have settled this out of court," she told assembled reporters, according to the New York Daily News.

Aw, why settle out of court, when you go into a public hearing and tell everyone your husband spends $3,000 a month on porn? Click here if you really want to know more.

Until the mud dries, please enjoy the video of the song that broken-hearted, 80s hero, former husband and all-around good guy Billy Joel swears he'll never sing again.

[AP photo]