Billie Eilish rocks an X-rated illusion t-shirt and brown spandex shorts to the gym in Los Angeles

dailymail.co.uk:

Billie Eilish grabbed attention on her way into the gym while rocking a X-rated shirt, featuring a photo of bare breasts on it, in Los Angeles, California on Friday morning.As she put on a leggy display in a pair of dark brown spandex shorts, the Bad Guy hitmaker, 21, turned heads in her risqué tee, which she paired with white sneakers.

For her workout, the seven-time Grammy winner wore her brunette locks pulled back in low ponytail under a black baseball cap.

Double take: Billie Eilish grabbed attention on her way into the gym while rocking a X-rated shirt, featuring a photo of bare breasts on it, in Los Angeles, California on Friday morningShe carried a blue Stanley Cup tumbler, to keep her hydrated, as well as the rest of her essentials in a backpack.

Last year, the performer revealed she has made fitness a priority in her life during an an interview with Zane Lowe on Apple Music 1 after recovering from an ankle injury.'I've been completely changing the way that my life is involving fitness — I'm a gym rat now,' she raved.