She is back on with her singing star beau Zayn Malik.

And globally famous supermodel Gigi Hadid wore a necklace Tuesday that featured his first name spelled out in glistening gold lettering.

Gigi, 23, slipped into a color-blocked blue and pink striped top and left a few top ʙuттons undone so the collar could slide off her left shoulder.

Aglow: Globally famous supermodel Gigi Hadid wore a necklace Tuesday that featured his first name spelled out in glistening gold lettering

Stringing on a tangle of necklaces, the Los Angeles-born Instagram sensation added an extra splash of glitz to her ensemble with hoop earrings from Bauble Bar.

Gathering her blonde hair back into a high ponytail, she showed off her legs in a pair of skinтιԍнт white shorts the day after Labor Day.

She swung along a white purse and ambled about on a colorful pair of navy plaid slides from Dear Frances.

The globetrotting model has frequently been seen wearing this Zayn necklace, which Elle reports is from Lana Jewelry and cost at least $1,190.

Stepping out: Gigi, 23, slipped into a color-blocked blue and pink striped top and left a few top ʙuттons undone so the collar could slide off her left shoulder

On the go: Stringing on a tangle of necklaces, the Los Angeles-born Instagram sensation added an extra splash of glitz to her ensemble with hoop earrings from Bauble Bar

Hello, gorgeous: Gathering her blonde hair back into a high ponytail, she showed off her legs in a pair of skinтιԍнт white shorts the day after Labor Day

Looking fabulous: She swung along a white purse and ambled about on a colorful pair of navy plaid slides from Dear Frances

On Sunday, Gigi joined her younger sister Bella and a female pal at Flushing Meadows for a United States Open tennis match.

The group were excitedly watching Serena Williams face off against Karolína Plíšková, as Bella showed on her Insta Stories.

Modeling a sleek pair of sunglᴀsses and sipping a cool beverage, Bella squealed for the camera as she filmed herself: ‘We love you, Serena!’

The globetrotting model has frequently been seen wearing this Zayn necklace, which Elle reports is from Lana Jewelry and cost at least $1,190

The breaking point: Gigi and Zayn dated for roughly two years before they announced their breakup on Twitter within minutes of each other this March

Idiosyncratic: Shortly after Gigi and Zayn publicly revealed their split, he had multiple tattoos applied in the span of a week, including the number 25 – his age – on his neck

Gigi and Zayn dated for roughly two years before they announced their breakup on Twitter within minutes of each other this March.

Shortly after Gigi and Zayn publicly revealed their split, he had multiple tattoos applied in the span of a week, including the number 25 – his age – on his neck.

As early as this January, Zayn could be spotted on Gigi’s Instagram page sporting a chest tattoo of what uncannily appeared to be her eyes.

So in love: As early as this January, Zayn could be spotted on Gigi’s Instagram page sporting a chest tattoo of what uncannily appeared to be her eyes

Throwback: At the end of April, DailyMail.com exclusively obtained pH๏τos of Gigi and Zayn sharing a kiss on a New York City sidewalk – she holding a bag from her own line