Thirty Seconds to Mars, led by recent Oscar winner Jared Leto, have begun their Australian tour in Perth.

There were giant balloons, confetti and the waving of an Australian flag – and it was all part of a Thirty Seconds to Mars concert.

Fronted by recent supporting actor Oscar winner Jared Leto – and his enviable, luscious hair – Thirty Seconds to Mars launched their Australian tour in Perth on Tuesday night, performing an energetic one-and-a-half-hour set at Challenge Stadium.

Promoting their fourth album – Love, Lust, Faith and Dreams – the band performed new and old songs including City of Angels, Night of the Hunter, The Kill, Kings and Queens, Do or Die, Brave New World, and End of All Days, which he dedicated to “all the true believers”.

“Does anybody want to sing with me tonight?” Leto roared – and the crowd cheered.

He encouraged the audience to jump and scream early, telling them to get off their “fat arses” – and the mostly young crowd certainly obliged him.

Leto thanked Australia for the government’s efforts in the search for the missing Malaysia Airlines plane, saying: “You’re good people.”

The American also shared anecdotes about visiting Perth’s popular Kings Park and the Sculpture By the Sea attraction at the famed Cottesloe beach.

Leto, his brother Shannon, and Tomo Milicevic were supposed to tour Australia in August last year, but had to reschedule after one of the band members required a medical procedure.

It was clearly worth the wait, with fans relishing seeing the well-synced band who, on their last tour, broke a Guinness World Record for the longest concert tour after performing 311 shows over two years in almost 60 countries.

Leto even stopped mid-song to talk to a woman he described as an “acrobat” for standing on her boyfriend’s shoulders.

He also accepted a young woman’s marriage proposal.

Towards the end of the set, Leto even organised a group selfie with fans.

The encore began with the beautiful track Bright Lights before dragging as Leto began pulling up dozens of fans to stand on the stage, but finished strongly with Up in the Air.

With so many fans getting a hug and kiss from Leto, there were certainly many smiling faces after the concert.

* Thirty Seconds To Mars will also visit Melbourne, Sydney and Brisbane.