Nicole Scherzinger has made an internet tribute to her boyfriend Lewis Hamilton.
The Pussycat Dolls singer speaks tenderly about the 23-year-old racing driver - who became the youngest Formula One world champion in history after winning the Brazilian Grand Prix on Sunday - in the 40 second clip, and encouraged her fans to learn about his sport.
She said in a post on video sharing website YouTube: "I'm so excited I feel like I'm on top of the world right now. Why? Because I want to congratulate my boyfriend Lewis Hamilton for being the official Formula One world champion! Congratulations baby - I love you, I love you, I love you."
"And anyone who's not a Formula One fan then go be a Formula One fan, and all you Formula One fans out there - be a Pussycat Doll fan, yeah."
Nicole, 30, and Lewis began dating earlier this year after meeting at last year's MTV Europe Music Awards in Munich, Germany.
The singer - who was pictured celebrating with Lewis after his win in Brazil - recently revealed she thinks Lewis is her soul mate.
She said: "Lewis is such a wonderful guy. I definitely think he could be the one. Everything is going very well. He is a genius."
Meanwhile, the Pussycat Dolls - Nicole, Ashley Roberts, Jessica Sutta, Melody Thornton and Kimberly Wyatt - have posed in their underwear for a series of raunchy shots for lingerie chain La Senza.
Promoting a new underwear collection entitled Shhh by Robin Antin - the brains behind the Pussycat Dolls - Nicole appears in black and pink patterned bra and knickers, with black tights and knee-high boots.
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