Paul McCartney and Nancy Shevell engaged

Paul McCartney is getting married! The former Beatle — who had a bitter divorce from his second wife Heather Mills — is engaged to his girlfriend of four years, Nancy Shevell.

“Nancy and Paul are getting married,” a source told People magazine.

“Ring and all — very exciting.

“They have the right chemistry. They’re both cool, chilled out and optimistic.”

The Beatles legend, 68, started dating Shevell in the Hamptons during the summer of 2007.