Billy Joel's most recent ex-wife, author and Food Network personality Katie Lee, wished the iconic singer-songwriter congratulations on his upcoming child with girlfriend Alexis Roderick.

Lee told "Extra," "I'm really happy for them. He's a great guy, he deserves all the happiness in the world, and he's a terrific father, so I'm really, really happy."

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Lee, Joel's third wife after Elizabeth Weber Small and model Christie Brinkley, added, "He will always be in my life, and I think he's just the greatest."

PhotosBilly Joel then and now

The "Piano Man" singer, an inductee into the Rock and Roll and the Long Island Music Halls of Fame, has been dating Roderick since divorcing Lee in 2009.