One source claims the 18-year-old was actually bullied for being there -- apparently not everyone thought she earned the right to walk the shows!
The insider spilled:
The Pitch Perfect star made yet another lovely red carpet appearance at an LGBT fundraiser at the Hollywood Palladium on Sunday in a pale blue sequined Georges Chakra Couture number with overlapping mesh panels along the bodice.
We just love how ethereal this dress looks, and the soft blue hue against Anna's alabaster complexion makes her seem like an angel!
[Image via Brian To/WENN.]