Washington, June 29 -- The sisters of late singer Liam Payne, Ruth Gibbins and Nicola Payne, have shared heartfelt messages after watching the trailer for his final TV project, 'Building the Band.'

The Netflix series, which premieres on July 9, features 50 singers forming six bands sight unseen to compete for the top spot, with Payne providing guidance and advice as a mentor.

Nicola Payne, 37, expressed her pride in her brother's work, and said, "Over the years I've shared many achievements and momentous occasions as a proud sister, and I couldn't be prouder of this show... You truly are a shining star, miss you more than words can say, love you more than that," as quoted by E! News.

Ruth Gibbins, 34, also shared her emotional response...