She went wild cheering on her Pal Serena Williams as she sat courtside at the USTA Billie Jean King National Tennis Centre during the US Open.

Gigi Hadid kept up a casual appearance as she returned to her New York City apartment on Thursday.

The 24-year-old model looked 90s-chic sporting long high-waisted shorts that had the same light wash as her jeans the day prior.

On Thursday, Gigi Hadid was seen returning to her New York City apartment in a 90’s inspired outfit

Hadid swapped out her gold ʙuттon down shirt for a dark grey t-shirt, sweeping her golden locks up into a super high ponytail.

She wore a pair of black trainers on her feet and accessorized with aviator sunglᴀsses and a string of necklaces and bracelets.

The sister of Bella Hadid carried a patterned purse with her, looking ahead with a focused look on her face.

The American supermodel was at New York’s Flushing Meadows on Wednesday where she took a courtside seat at the for Serena Williams’ one-sided contest with Catherine McNally.

Retro vibes: The 24-year-old model sported long high-waisted shorts that had the same light wash as her jeans the day prior

‘Lax look: Gigi wore a pair of black trainers on her feet and accessorized with aviator sunglᴀsses and a string of necklaces and bracelets