"Lost in Your Light" peaked at number 86 on the UK Singles Chart and received a silver certification from the British Phonographic Industry (BPI).

Filmed in Los Angeles, the video features Lipa and Miguel levitating above a parking lot while also dancing in it and on a rooftop.

[3] Lipa described it as "one of the happiest" songs from the album while also commenting on its meaning saying "it's about that feeling you get at the beginning of a relationship and those crazy emotions and getting lost in the middle of it all.

Mixing was done by Manny Marroquin at Larrabee Studios in North Hollywood, Los Angeles with Chris Gehringer mastering the song at Sterling Sound in New York City.

[1] Musically, "Lost in Your Light" is an electropop song,[4] with dance-pop,[5] power pop,[6] R&B-pop[7] and retro elements.

[10] The R&B production[8] includes electro rhythms,[11] percussion-heavy beats,[12] strutting grooves,[13] a disco-tinged sway,[14] throbbing synths, and funky drum kit flourishes.

[6][12] "Lost in Your Light" was released for digital download and streaming on 21 April 2017 in various countries by Warner Bros. Records as the sixth single from Lipa's debut album.

[20] Lipa was joined by Miguel to perform the song in the BBC Radio 1 live lounge, released 2 June 2017.

[25] Tyler Schmitt of Variance and Idolator's Mike Wass both called the song "starry", with the latter complimenting the production and vocals.

[26][27] Stereogum's Tom Breihan had mixed feelings about Miguel's guest appearance, writing "he gives it his all", but said his voice "sounds better making smoky soul music".

[5] For The Line of Best Fit, Laurence Day called the song "a super-smooth, late-night duet with passionate pleas", and likened its "sensual side" for being different from Lipa's previous releases.

"[30] "Lost in Your Light" debuted and peaked at number 86 on the UK Singles Chart issue dated 28 April 2017.

[42] For Vibe, Mark Braboy called the visual "alluring" and stated that it captures "pure dreamy romance" while also commending Lipa and Miguel's onscreen chemistry.