Is Olivia Rodrigo planning to release a surprise second album titled 'Sweet'?

With her debut album 'Sour' only a couple of weeks out in the world now, Olivia Rodrigo fans are already theorising that a second album is on the way - a prediction that was popularised by the below TikTok videos:

@codyjohnathan

#oliviarodrigo #sour

♬ original sound - Cody Johnathan

@gibbybender

#repost theory originated from: @codyjohnathan #oliviarodrigo #sour #taylorswift #good4u

♬ original sound - Gabby

Rodrigo also recently collaborated with Sour Patch Kids for the 'Sour' album release, with the declaration "sour then sweet" printed on the box, and there are many love songs that Rodrigo has teased in the past which are not on 'Sour' and so far unreleased.