AnnaLynne McCord Wears Trucker Hair and Neon Tank on Red Carpet

 Steve Granitz/

While stars like Kristen Bell, Claire Danes and Emmy Rossum donned cute dresses on the red carpet at the CBS Showtime CW summer TCA party on Wednesday, AnnaLynne McCord opted for a more casual look…way more casual.

The 90210 star showed up in a green and white trucker hat with a neon tank top and white cropped jeans. She accessorized with a black studded belt and black peep-toe booties.

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Her ensemble was a dramatic shift from the sexy grecian goddess getup she was spotted wearing on the set of the hit CW show the day before.

McCord, 24, has been having a ball this summer between filming the teen drama in a slew of fun looks including a skin-tight, black panther mascot costume and engaging in some major PDA with new beau, 41-year-old Prison Break actor Dominic Purcell.

"In between takes [on set] she would go on a short walk with him or go to a private corner and make out with him for a bit," a source tells Us Weekly of the couple, who costar in 2012's Officer Down. "She seemed like she was beaming with excitement that he was visiting her."

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Despite their 18-year age difference, Purcell certainly fits McCord's standards. "I look for a man, not a little boy," she told Us in June. "I like honesty and strength. I like confidence, and talent, and yeah, I'm really happy right now!"

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