Ahead, reminisce on Billie Eilish's best fashion moments ... a show at the Greek Theatre, wearing a Gucci logo T-shirt and shorts outfit and styling her green-rooted hair in buns.

Billie Eilish soaks up the sun in a patterned string bikini The singer attended the LACMA Art and Film Gala in a custom Gucci gown, consisting of their logo emblazoned across a full olive green ...

Billie Eilish's relationship with Jesse ... with Rutherford sporting Gucci pajamas and fuzzy slippers and Eilish wearing a Gucci silk floor-length nightgown complete with a sleeping mask on ...

As the singer took to the stage to perform, she wore a super chic pink and green ensemble that might look a little familiar. Yep, Barbie doll aficionados will recognise Billie's outfit as an ...

Billie Eilish's ocean eyes have been opened ... Billie sported accents of lime green under an oversized Gucci ensemble for the 62nd Grammy Awards. Unique to the look is her patterned mask and ...

Still on her world tour, Billie Eilish is currently ... Sharing a selfie on her Instagram Stories, Eilish showed off a white button-down shirt and a green-and-black striped sweater vest that ...

Billie Eilish is done being a fashion copycat ... Billie sported accents of lime green under an oversized Gucci ensemble for the 62nd Grammy Awards. Unique to the look is her patterned mask ...