Before the lullabies and engagements came guitar ballads and breakups, unpack Katy Perry’s dramatic dating evolution.

Katy Perry may be grown, but she seems to be living her teenage dream with Justin Trudeau. The pop star took to Instagram to ...

Katy Perry looks like she’s living a teenage dream. Nearly three months after she and former Canadian Prime Minister Justin Trudeau dined together in Montreal, the pair enjoyed a steamy excursion on ...

He’s living out his Teenage Dream. Justin Trudeau was spotted front and center at Katy Perry’s sold-out “Lifetimes” tour in Canada — just days after the unlikely duo sparked romance rumors. The former ...

"Hopefully the lyrics of this song resonate with someone going through what I have been through," the 'Teenage Dream' star said of the song fans believe is about her split from Orlando Bloom. Katy ...

MiKenley Brown's performance of Katy Perry's "Teenage Dream" turned three chairs.