Chrissy Teigen’s followers believe she threw shade at Michael Costello in an Instagram post referencing the film "Clueless." On Sunday, the "Cravings" author took to Instagram to share an image of herself posing outdoors in a pink dress with red polka dots.The star tagged designer Alaïa as the maker of the garment and informed her savvy followers of the designer's hand in making it with a subtle reference to the 1995 comedy. "celebrating lurrrrrve.