Madison Beer twins with friend Isabella Jones in matching The Flintstones ...

She has been embracing the Halloween spirit as she dressed up as a nurse for the spooky celebration earlier this week.

And Madison Beer hit the town for her second Halloween night out on Saturday with her friend Isabella Jones in West .

The singer, 21, put on a leggy display and revealed her washboard abs as she headed out for dinner at Craig's with her model friend.

Fancy dress: Madison Beer headed out for dinner at West Hollywood's Craig's dressed as Bamm-Bamm Rubble from The Flintstones with her friend Isabella Jones on Saturday night

Fancy dress: Madison Beer headed out for dinner at West 's Craig's dressed as Bamm-Bamm Rubble from The Flintstones with her friend Isabella Jones on Saturday night

The duo twinned as they stylishly dressed up as two characters from The Flintstones cartoon franchise, Bamm-Bamm Rubble and Pebble Flintstone.

But Madison added a racy touch to her Halloween attire, showing off her cleavage in a yellow and black halter-neck bra and a matching one-shouldered bodycon dress. 

She nailed The Flintstones look with a bone garter fastened around her thigh, flaunting her toned pegs.

The musician complimented her fancy-dress costume with a giant bone handbag and brown beaded bracelets.

Twinning: The singer, 21, and her model friend wore matching Flintstone-themed Halloween outfits, holding hands as they strutted through West Hollywood

Twinning: The singer, 21, and her model friend wore matching Flintstone-themed Halloween outfits, holding hands as they strutted through West

She wore her brunette tresses naturally cascading down her back, with a small yellow bobble hat pinned into her wavy locks.

Madison opted for a soft make-up look, instead allowing her statement ensemble to do all the talking.

Her influencer friend Isabella stylishly matched as Pebble Flintstone, donning a green halter-neck top and a blue mini-skirt with cut-out sides.

She took inspiration from Madison's look with her bone-themed and both women paired their outfits with a comfortable pair of Converses.

Costume: It is not the first time the duo have hit the town for the spooky October celebration this year, as they both headed to Catch restaurant in full Halloween garb on Friday night

Costume: It is not the first time the duo have hit the town for the spooky

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