Katy Perry flashes her £4m engagement ring on day out with daughter Daisy

Katy Perry shows off sensational legs in shimmering orange split dress plugging American Idol

Katy Perry, Lionel Richie, Luke Bryan & Ryan Seacrest Celebrate the 20th Season of 'American Idol'!

Celine Dion, Katy Perry, Carrie Underwood, Luke Bryan Plot Las Vegas Residencies