Watch: Harry Styles x Saturday Night Live.

During his double duties as both host and musical guest on Saturday Night Live last night, Harry Styles performed 'Watermelon Sugar' and 'Lights Up' from his upcoming new album 'Fine Line' out December 13th.

Watch both performances below, as well as some clips of skits from the SNL episode...

We’re taking things to the next level with @Harry_Styles. #HarryOnSNL pic.twitter.com/25Ln0FJCTb
— Saturday Night Live - SNL (@nbcsnl) November 17, 2019

Sara Lee’s Instagram activity has been a little… #HarryOnSNL pic.twitter.com/jBjZ0vYbtC
— Saturday Night Live - SNL (@nbcsnl) November 17, 2019

#HarryOnSNL pic.twitter.com/wBgemtLrmX
— Saturday Night Live - SNL (@nbcsnl) November 17, 2019

Meet Joan. And Doug. #HarryOnSNL pic.twitter.com/pu0kP8YR1F
— Saturday Night Live - SNL (@nbcsnl) November 17, 2019

Cool suggestion.#HarryOnSNL pic.twitter.com/C5lRWtUVKE
— Saturday Night Live - SNL (@nbcsnl) November 17, 2019

Harry during the “Jason” sketch for SNL. #HarryOnSNL

Watch the full sketch here: https://t.co/GfJSGndmPE pic.twitter.com/gzwjAWJ586
— HSD (@hsdaily) November 17, 2019