Geri Halliwell and Christian Horner put on a united front as Lewis Hamilton shows off his quirky sense of style at the United States F1 Grand Prix

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Geri Halliwell and Christian Horner presented a united front as Lewis Hamilton showed off his idiosyncratic sense of style at the F1 United States Grand Prix.

The former Spice Girl, 52, beamed as she walked through Parc Ferme at the Circuit of The Americas in Austin, Texas, with her Red Bull boss husband on Sunday.

Geri looked radiant in a white crochet cardigan as she kept her all-white dress uniform on for race day.

She was spotted congratulating third-placed Red Bull racer Max Verstappen as she gave him a hug.

Meanwhile, British driver Lewis, 39, stepped out in another eye-catching ensemble as he continues to reveal his quirky fashion on tour.

Geri Halliwell and Christian Horner presented a united front as Lewis Hamilton showed off his idiosyncratic sense of style at the F1 United States Grand Prix in Texas on Sunday

Meanwhile, British driver Lewis, 39, stepped out in another eye-catching ensemble as he continues to reveal his quirky fashion on tour

Meanwhile, British driver Lewis, 39, stepped out in another eye-catching ensemble as he continues to reveal his quirky fashion on tour

Lewis turned heads in a bright yellow chunky knit cardigan, decorated with a blue floral appliqué.

He paired the statement knit with wide light gray chinos and khaki suede boots.

The Mercedes driver was outfitted with a collection of pearl necklaces and matching earrings, as well as black sunglasses.

Geri and Christian’s outing comes as they try to put the F1 boss’ sexting scandal behind them.

In February, inappropriate text messages from Christian, whom Geri married in 2015, appeared.

The woman, in her forties, went to HR at the Formula 1 team after receiving messages from Horner, often late at night.

She accused him of ‘coercive behavior’, but an internal investigation led by an unknown KC, appointed by Red Bull, acquitted him. Horner has strongly denied all allegations.

The prosecutor has been suspended as the saga continues, sparking anger among campaign groups who claim that ‘women simply do not have confidence that their complaints will be properly investigated’.

Geri was spotted congratulating third-placed Red Bull racer Max Verstappen as she gave him a hug

Geri was spotted congratulating third-placed Red Bull racer Max Verstappen as she gave him a hug

Lewis turned heads in a bright yellow chunky knit cardigan, decorated with a blue floral appliqué

Lewis turned heads in a bright yellow chunky knit cardigan, decorated with a blue floral appliqué

He paired the statement knit with wide light gray chinos and khaki suede boots

He paired the statement knit with wide light gray chinos and khaki suede boots

The Mercedes driver is adorned with a collection of pearl necklaces and matching earrings

The Mercedes driver is adorned with a collection of pearl necklaces and matching earrings

He also wore black sunglasses

He also wore black sunglasses

Geri recently opened up about the importance of finding “courage” amid her family’s ongoing scandal and said themes “within” her, including finding “power” in difficult situations and seeking support, are explored in her new children’s book.

She said: “There are themes in me that appear in the book that are about finding your strength in any situation.

“If you’re being bullied, and it doesn’t matter how old you are, if you’re feeling lonely or grieving a loss, it’s about finding courage.”

Christian’s F1 future remains under scrutiny after text messages between him and what appears to be a female colleague were leaked in 79 screenshots, while an anonymous sender sent an email that was also copied to FIA chief Mohammed Ben Sulayem and F1 boss Stefano Domenicali.

Geri and Christian's outing comes as they try to move on from the F1 boss' sexting scandal (pictured in July)

Geri and Christian’s outing comes as they try to move on from the F1 boss’ sexting scandal (pictured in July)

Inappropriate text messages from Christian, whom Geri married in 2015, appeared in February (Christian and Geri pictured in March)

Inappropriate text messages from Christian, whom Geri married in 2015, appeared in February (Christian and Geri pictured in March)

MailOnline previously revealed how the woman at the center of the texting scandal has told friends she ‘feels let down’ by the Austria-based FI team, with whom she worked.

Officials suspended her for “dishonesty” just after announcing Christian had been acquitted, but she has now appealed, although no timeline has been set for her case.

Red Bull took action against her after the suggestive WhatsApp messages were sent from an anonymous email address to 149 people, including F1 officials and motorsport correspondents.