Perry's granny 'steals the show' in documentary

Katy Perry's grandmother keeps her grounded.

The 'Wide Awake' hitmaker is amused by the fact that 91-year-old Ann Hudson - who appears in her new documentary film 'Part of Me 3D' - "doesn't acknowledge" her success and can't understand the fuss that surrounds her famous granddaughter.

Katy said: "My grandmother is in the movie and she steals the show, she is living in Las Vegas and she doesn't acknowledge my success at all, which is exactly what I need.

"When she was at the Hollywood premiere she was like, 'Oh, why are you here?' and I was like, 'It's my movie,' and she was like, 'Oh is it?' She thought everybody was there to see her!"

The 27-year-old pop superstar is now planning to take a break from music because she fears being overexposed.

She added in an interview with The Sun newspaper: "I will take a catnap, take a pause, plug into the matrix - but I won't go away.

"What I need to do is let the dust settle and take the temperature of what the world wants musically.

"I am definitely going to recharge because you can get over-exposed and I am balancing that tightrope at the moment, having my own movie about myself."

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Katy Perry - Wide Awake on MUZU.TV.[/comment]

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NME - Katy Perry, 'Part Of Me' - On The Red Carpet on MUZU.TV.[/comment]