Billie Eilish was seen leaving the gym on Monday, sporting a wide smile after a productive workout session. The 20-year-old singer opted for a chic workout outfit, carrying a pair of sturdy boots in her arm.

Celebrating the one-year anniversary of her album “Happier Than Ever,” Billie showcased her musical prowess with a memorable performance at the Hollywood Bowl on Friday. During her gym visit, she stayed cool in a sleeveless vintage T-shirt paired with brown gym shorts and comfortable blue sneakers worn with black ankle socks.

With her dark hair pulled back into a loose ponytail, Billie kept stray strands away from her face. Carrying a backpack and a large bottle of water, she emphasized the importance of staying hydrated during her outing.

In a recent interview on the Little Gold Mеn podcast by Vanity Fair, Billie reflected on the significance of fashion in expressing her emotions and mood.

 Alongside her brother Finneas, who plays a crucial role in her music’s creation and production, Billie surprised fans with a performance at Amoeba Records in Hollywood to commemorate the anniversary of her 2021 album.

During an interview with Zane Lowe on his podcast, Billie discussed her collaborative process with her brother and the dynamics of songwriting. 

She praised Finneas for his rapid and consistent ability to write music, emphasizing his role as an outlet for self-expression.