United Kingdom, May 25 -- Justin Bieber kissed SZA on the hands as his wife Hailey Bieber watched on during their performance of 'Snooze'.

The 'Baby' hitmaker was a surprise guest during SZA and Kendrick Lemar's second stop at Los Angeles' SoFi Stadium on Friday (23.05.25) on their 'Grand National Tour'.

The 31-year-old pop idol continued to concern fans with his behaviour during the steamy performance of the pair's 2023 acoustic hit.

One X user wrote after footage emerged from the gig: "Justin ain't been the same since he had his baby."

Another reacted: "He is not well."

Hailey shared clips from the performance on her Instagram Story and dubbed Justin and SZA her "two favourite artists".

The surprise performance came days after Hai...