Billie Eilish & Boyfriend Nat Wolff Make Red Carpet Debut at Her Concert Movie Premiere in L.A.

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Billie Eilish is taking a very big step in her relationship with boyfriend Nat Wolff!

The 24-year-old Grammy/Oscar-winning singer and the 31-year-old Paper Towns actor made their red carpet debut at the premiere of her concert movie Hit Me Hard And Soft: The Tour (Live in 3D) on Wednesday (May 6) held at the Village Theatre in Los Angeles.

For the premiere, Billie wore a green polo shirt over a long-sleeved white shirt paired with a black skirt, navy tights, red knee-high socks and gray kitten heels.