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After Billy Ray Cyrus told GQ that Hannah Montana "destroyed" his family, Miley's reportedly been furious at her father - and it shows in her face!

Check out the former Disney sweetheart leaving a friend's house in Los Feliz on Sunday in a huff. Why so serious, Miley? You became the first ever recipient of the Global Action Youth Leadership Award (which celebrates inspirational figures for young people) on Friday! Congrats, girl.

And according to various online reports, the teen singer is allegedly dating John Mayer after spending most of Grammy weekend together... but this just sounds like a bizarre rumor. The two have been friends for years; John's even been to some of her concerts! That's not weird at all, right?