Princess Charlene was a vision in white as she attended a lavish ball – just days after it was announced that she is expecting twins.
Holding hands with her husband Prince Albert, the pregnant royal, 36, looked every inch the pretty princess.
Charlene drew attention to her blossoming baby bump with an empire-style flowing white gown that sashayed to the sides as she walked the white carpet.
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Prince Albert and Princess Charlene are expecting twins at the end of the year
The former Olympian swimmer, who recently told HELLO! that she was feeling "absolutely great", swept her blonde locks back to reveal a pair of exquisite pearl drop diamond earrings.
Upon her arrival, Charlene's natural affinity with children was immediately seen as she warmly greeted a young girl who had given her flowers.
Albert, 56, and Charlene were attending the 2014 Princess Grace Awards Gala in Beverly Hills, California – showing their support for Albert's late mum Grace Kelly, who set up the awards programme to encourage and support emerging artists in America.
Prince Albert and Princess Charlene were attending the Princess Grace Awards Gala
This year Dick Van Dyke, 88, was honoured with the Prince Rainier III prize, while classical ballet dancer David Hallberg and Guatemalan-American actor Oscar Isaac were presented with the Princess Grace Statue Awards.
The evening kicked off with a reception, followed by the awards ceremony and dinner and a silent auction at the Beverly Wilshire Hotel.
Charlene and Albert's appearance came just a day after the royal couple attended the Princess Grace Foundation Cocktail Reception in Los Angeles on Tuesday evening.
This will be the first birth for Princess Charlene
Dining with Hollywood's finest, the Monegasque royals were joined by the likes of Mel Gibson, Sylvester Stallone, January Jones and Linda Bruckheimer for the occasion.
And the stars didn't miss the opportunity to present the parents-to-be with a gift – Albert was pictured holding a bright blue T-shirt with the word "Hollywood" fittingly printed on the front.
The delivery of another matching T-shirt will have to be arranged, as the news of Charlene and Albert's double joy has since come to light.