Liam Payne & Girlfriend Kate Cassidy Support Louis Tomlinson at 'All of Those Voices' Premiere

Liam Payne showed nothing but support for his One Direction brother Louis Tomlinson when he attended the premiere of his new documentary All of Those Voices on Thursday (March 16) in London, England.

The “Strip That Down” singer and his girlfriend Kate Cassidy were guests of honor at the event, which was hosted at Cineworld Leicester Square.

Louis and Liam didn’t pose for pics together on the red carpet. The documentary star did get a few photos with director Charlie Lightening.

His sisters Daisy Tomlinson, Phoebe Tomlinson and Lottie Tomlinson (joined by her partner Lewis Burton) were also there to support their brother. You can see pics of them all in the gallery!

All Of Those Voices will be released in select theaters worldwide on Wednesday, March 22nd. Watch the trailer here.

If you missed it, Louis recently revealed the accomplishment he was most proud of from his days with the band.

Scroll through all the new pics of Louis Tomlinson and Liam Payne at the premiere of All of Those Voices in the gallery…