At the US Open, Kendall Jenner kissed Devin Booker

On a date night on Sunday, Kendall Jenner and her boyfriend Devin Booker watched

 the men's singles final match between top competitors Casper Ruud and Carlos Alcaraz at the US Open.

The duo were stylish as Jenner, 26, wore a white top with a blue sweater 

knotted across her shoulders. Her hair was pulled back into a braid.

The 25-year-old Phoenix Suns guard Devin Booker accessorised with gold earrings and a blue cap over a white T-shirt.

Sitting in a box on the upper level of Arthur Ashe Stadium in Queens, New York, they shouted and grinned 

as 19-year-old Spaniard Alcaraz created history by being the youngest man to ever win the Grand Slam singles title.

Jenner and Booker even exchanged kisses at one point.

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