Amanda Holden, 52, twins with daughter Lexi, 17, in wow-worthy cut-out dress

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love a twinning moment, and they showed just how in-sync they are style-wise over the weekend when they attended Julien Macdonald's London Fashion Week show.The mother-daughter duo sat front row for the dazzling show and they look just as breathtaking as the models walking the runway, with both Amanda and Lexi wearing dresses by the designer.WATCH: Amanda Holden's best ever bikini photosAmanda went for a daring black dress, complete with a plunging neckline, a daring thigh split and cut-out panels at the side, which made the most of her enviable figure.Model Lexi took a more demure approach to her dress, which featured a flattering halter neck style and a bejeweled knee-length skirt.

She mirrored her Heart Radio presenter mum with a cut-out panel on the midriff. Amanda Holden and Lexie both went for cut-out dressesThe 17-year-old shared several photos of her outfit on her Instagram page, with fans commenting on her similarities to Amanda. "Beautiful like your mummy," one wrote, while another commented: "You look just like your stunning mum," and: "Like your mum!" Lexi is so similar to her mum Amanda HoldenAmanda's daughter is signed to modelling agency Storm, and the proud mum spoke to The Sun's Fabulous magazine about how she's getting on. "At the moment, Lexi's learning her craft — how to pose, how to walk.

And then we will release her into the modelling world," she said.READ: Amanda Holden's amazing toned legs: How does the BGT judge sculpt her pins?"She's super-excited and has the right mentality — she's very unfazed by things, is not easily impressed, and doesn't suffer fools.

Lexi is signed to a modelling agency"All of those qualities Chris and I have, so she's been brought up like that. She'll be looked after.