The hot new trend for pop stars? Being madly in love.

Michael Polansky and Lady Gaga; Selena Gomez and Benny Blanco.

BENJAMIN CREMEL/AFP/Jason Armond/Los Angeles Times via Getty Images

• Selena Gomez and Benny Blanco have unveiled their collaborative album, "I Said I Love You First."
• The engaged couple spoke at length about their love and connection during their promotional tour.
• Lady Gaga also highlighted the contributions of her fiancé while promoting her new album "Mayhem."

If Selena Gomez and Benny Blanco want...