Amanda Holden and Alesha Dixon join celebrities in thigh-high split dresses

Amanda Holden and Alesha Dixon have been rocking some seriously stylish looks over the past week on Britain's Got Talent.

However, Alesha Dixon and Amanda Holden looked utterly gorgeous as they stepped out in thigh-high split dresses at last night's Britain's Got Talent wrap party.

[Related gallery: Celebrities in thigh-high split dresses]

[Related article: Alesha Dixon and Amanda Holden talk BGT fashion]

Amanda Holden looked divine in a nude chiffon gown with red detailing, and teamed the dress with a slick of red lipstick.

Amanda Holden looked gorgeous in her dress with a thigh-high split / WENNAmanda Holden looked gorge in her dress with a thigh-high split / WENNAlesha Dixon went for a silver dress with a thigh-high split / WENNAlesha Dixon went for a shimmery silver halter-neck gown and wore her hair in a sleek top knot.

Both Amanda and Alesha's dresses featured sexy thigh-high splits - a trend which is popping up all over the place at the moment.

Just this week we saw Jess Wright from TOWIE and Anna Faris rocking the trend at the premiere of The Dictator.

Jess Wright wore a dress with a thigh-high split to the premiere of The Dictator this week / WENNAnna Faris also wore one to the Dictator premiere / WENNAdd to that, Jennifer Aniston, Rihanna and of course Angelina Jolie at this year's Oscars, and we want our own version of this summer's hottest trend.

Alesha Dixon and Amanda Holden were attending the Britain's Got Talent wrap party in their thigh-high split gowns, and were accompanied by fellow judge, David Walliams.

J-Lo, Victoria Beckham and Miranda Kerr have all worn dresses with thigh-high splits recently / RexWe cannot wait to see what the girls decide to wear on tonight's Britain's Got Talent final - we have a feeling we're in for a treat.