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Katy Perry
has a short new 'do!

The "Roar" singer stepped out over the weekend with two big changes -- one giant rock on that finger and much shorter hair, with bangs.  

The pop star showed off her cute bob while out to lunch with John Mayer on Sunday in Hollywood. The twosome later did some shopping together in Silverlake. 

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While there's still no word if Mayer actually popped the question over the holiday weekend, it does look like Katy's new look is the real thing. 

Even though the singer is known for sporting wigs, we think it's safe to say it's her real hair since she wore the same look all weekend.

What do you think of the 29-year-old's short tresses? Tell toofab in the comment section below, and click "Launch Gallery" above to see even more stars with long and short 'dos!

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