Shawn Mendes Joins Niall Horan for Surprise 'Treat You Better' Duet in London

The performance marks Mendes' return to the stage after focusing on mental health, thrilling fans at Horan's concert.

Shawn Mendes made a surprise appearance at Niall Horan's London concert, performing 'Treat You Better' together.
The duet occurred during Horan's 'The Show: Live on Tour' at OVO Arena Wembley, marking Mendes' second performance since 2022.
Mendes had previously canceled his 'Wonder' world tour to focus on his mental health, making this return highly anticipated.
The performance was well-received, with fans expressing their excitement and emotional responses on social media.
Both artists have expressed interest in collaborating more in the future, hinting at potential studio work together.