London Fashion Week party on Sunday night. The Girls star, 35, cut a bright figure in a patterned shirt dress as she mingled with the likes of designer Christopher Kane and Alexa Chung at the bash.
Lena teamed the below knee-length dress with embellished heels boots and went make-up free for the occasion. She tied her brunette hair back and accessorised with some hoop dolphin earrings.
The actress looked like she was having a good time as she posed with her pal Rosa Mercuriadis. Lena has been dating Luis, a Peruvian-English musician who is known professionally as Attawalpa, for the last few months after meeting in London, Page Six reported in June.
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