Billie Eilish’s brother, Finneas, performs at Brisbane’s Laneway Festival in a black and white suit.

Billie Eilish’s brother Finneas adds international star power to Brisbane’s Laneway Festival when he takes the stage alongside local artists.

American singer Finneas added some international star power to Brisbane’s Laneway Festival when he took the stage on Saturday afternoon.

The 25-year-old rising star, best known for his work with his sister Billie Eilish, brought his unique brand of music to the festival.

He delivered a performance that left fans wanting more.

American singer Finneas, 25, (pictured) added some star power to Brisbane’s Laneway Festival when he took the stage on Saturday afternoon.

Finneas showed off his love of fashion in a black and white striped shirt and white pants that featured an all-over print design.

He sent the crowds into a frenzy as he performed his hit songs, including Nobody Like U, Break My Heart Again, and Love Is Pain.

At one point, the chart leader was seen jumping across the stage as the crowd cheered.

The rising star, best known for her work with her sister Billie Eilish, brought her unique brand of music to the festival.

The rising star, best known for her work with her sister Billie Eilish, brought her unique brand of music to the festival.

Finneas showed off his love of fashion in a black and white striped shirt that he paired with a pair of white pants that featured an all-over print design.

Finneas showed off his love of fashion in a black and white striped shirt that he paired with a pair of white pants that featured an all-over print design.

Finneas pictured with his Grammy Award-winning sister, Billie Eilish, in May 2022.

Finneas pictured with his Grammy Award-winning sister, Billie Eilish, in May 2022.

Australian singer Grace Shaw, known professionally as Mallrat, showed off her amazing figure in a ruffled long-sleeved crop top.

She combined her look with a plaid skirt.

Australian singer Grace Shaw, known professionally as Mallrat, showed off her amazing figure in a ruffled long-sleeved crop top.

Australian singer Grace Shaw, known professionally as Mallrat, showed off her amazing figure in a ruffled long-sleeved crop top.

The sighting comes after Finneas hinted that he will be releasing new music this year.

Speaking to ABC, the Let’s Fall in Love for the Night artist said: “I’m working on a bunch of new solo records, which is a lot of fun.”

Finneas notes that he’s been in a “very collaborative zone” with upcoming material, which is a major departure from the process of creating his debut solo album, 2021’s Optimist.

She combined her look with a plaid skirt

She combined her look with a plaid skirt

“I did the last album, all by myself in a room,” he said. I am very grateful that I did that.

Australian indie group The Jungle Giants sang old and new hits and left the crowd screaming for more.  Pictured: vocalist Sam Hales (left) and guitarist Cesira Aitken (right)

Australian indie group The Jungle Giants sang old and new hits and left the crowd screaming for more. Pictured: vocalist Sam Hales (left) and guitarist Cesira Aitken (right)

Sam Hales couldn't wipe the smile off his face as he waved to the roaring crowd.

Sam Hales couldn’t wipe the smile off his face as he waved to the roaring crowd.

Other acts performing at the festival included Australian indie band The Jungle Giants, who performed old and new hits and left the crowd screaming for more.

Meanwhile, indie pop star Julia Jacklin, 30, turned heads when she performed in a chic red fringed skirt that she paired with a striking gold necklace.

The NSW native was in peak performance mode and had the roaring crowd eating out of the palm of her hand.

Indie pop star Julia Jacklin (pictured) turned heads when she performed in a chic red fringed skirt that she paired with a gold necklace.

Indie pop star Julia Jacklin (pictured) turned heads when she performed in a chic red fringed skirt that she paired with a gold necklace.

The NSW native was in peak performance mode and had the roaring crowd eating out of the palm of her hand.

The NSW native was in peak performance mode and had the roaring crowd eating out of the palm of her hand.

American indie singer Phoebe Bridgers, 28, cut a striking figure as she took the microphone in a jet black blazer and matching pants.

The blonde beauty looked every inch the superstar as she rocked her guitar up a storm and left the crowd begging for an encore.

American indie singer Phoebe Bridgers (pictured) cut a striking figure as she took the microphone in a jet black blazer and matching pants.

American indie singer Phoebe Bridgers (pictured) cut a striking figure as she took the microphone in a jet black blazer and matching pants.

The blonde beauty looked every inch the superstar as she rocked her guitar up a storm and left the crowd begging for an encore.

The blonde beauty looked every inch the superstar as she rocked her guitar up a storm and left the crowd begging for an encore.