The Lottery Winners, Ella Henderson and Sigala to play Belladrum

Indie pop band The Lottery Winners, singer-songwriter Ella Henderson and DJ Sigala are the latest acts confirmed for this year's Belladrum Tartan Heart Festival.

The Lottery Winners have supported Robbie Williams on tour and their fourth studio album KOKO went to number one in the UK Official Charts in March last year.

Henderson, who competed in 2012's The X Factor, has had 10 UK Top 10 singles, four Brit Award nominations and an Ivor Novello nomination.

Sigala has had eight UK Top 10 singles and collaborated with Henderson as well as Rita Ora, James Arthur and Sam Ryder.

James, The Human League and Callum Beattie were among acts previously announced for Bella, which celebrated its 21st anniversary last year.

Other artists already announced included Mika, Razorlight, Kula Shaker, Symphonic Ibiza, Scouting for Girls and Brooke Combe.

The latest wave of artists include Skerryvore and Mànran.

Bella near Beauly will open on 30 July and close on 1 August.

The festival was started on the historic Belladrum Estate in 2004 as a one-day event with tickets for just 2,000 people.

It has since grown to cover three days and draws a crowd of about 20,000 people.

Over the years Sir Tom Jones, Lewis Capaldi, Bastille, CMAT, Texas and Peter Capaldi have performed there.