John Mayer

He 'accidentally' sang the pop star's song from 'Thank U, Next' instead.

Jessica Simpson's love life is ~irresistible~.

The 2000s had some pretty questionable celebrity fashion moments.

He's a huge fan of her love ballad.

They're almost unrecognizable!

Remember when Kanye West called Taylor Swift out for lying?

John Mayer has added a North American leg to his upcoming 2019 world tour.

The two stars were reportedly seen flirting at a 'GQ' party recently.

The pair set the record straight in the latest episode of Mayer's 'Current Mood' show.

John Mayer can't stop, won't stop flirting with Halsey.