Article continues below advertisementSlim and S---Source: @januaryjones/InstagramJanuary Jones flaunted her abs in the Instagram update.Aging looks pretty on January Jones!The 47-year-old Mad Men star looked half her age in an Instagram post she shared on August 23, showing her rocking a two-piece bikini from JUILLET. She paired the summery look with sunglasses from CELINE."Only cause it's a heat wave..." she captioned the upload.Article continues below advertisementThirst Trap!Source: @januaryjones/InstagramJanuary Jones set pulses racing when she ditched her bra in the racy snaps.