 " Sexy " received generally positive reviews . Many critics praised Paltrow 's performance , preferring it to her first appearance in " The Substitute " , though they disagreed over how Paltrow was used . The storylines were well received , particularly the one involving Brittany and Santana : Todd VanDerWerff of The A.V. Club and Patrick Burns of The Atlantic deemed it the highlight of the episode . The scene featuring Burt having " the talk " with Kurt was also singled out for praise . This episode featured cover versions of five songs , including " Kiss " by Prince and " Landslide " by Fleetwood Mac . The latter song was very well received , though the musical performances and cover versions in the episode were mostly given a mixed reception by reviewers . 
