"Chandelier" singer Sia got engaged to her filmmaker boyfriend Erik Anders Lang as "Girls" actress Lena Dunham hops on the "Dance Moms" Maddie Zieggler's bandwagon on "Late Night With Seth Myers" on Monday.

The "Chandelier" singer Sia's engagement was announced by her fiancé on Instagram as he posted a photo of them posing before the camera with the famously shy songwriter showing off a band on her finger.

For those who might not have taken the hint, Erik Anders Lang quelled all doubts with this caption: "That's an engagement ring folks."

According to E! News, the singer-songwriter reportedly confirmed the engagement to a photographer during a guesting at "The Ellen Degeneres Show" last month. Sia's mother, Loene Furle,r also reportedly told Australia's The Advertiser  that her "Chandelier" singer daughter, Sia, is engaged.

The website also said that not much is known about "Chandelier" singer Sia's fiancé but he does have an upcoming documentary titled "GOLF: The Hole Story."

A confessed bisexual, Sia has had her bouts with addiction and in an earlier interview with the New York Times, she revealed that she doesn't revel in the fame that comes with her success as a songwriter.

"It's horrible. I just wanted to have a private life," she said, talking about fame. "Once, as my friend was telling me they had cancer, someone came up and asked, in the middle of the conversation, if they could take a photograph with me."

Meanwhile, "Girls" actress Lena Dunham channelled her inner "Dance Moms" Maddie Ziegler in a performance on "Late Night With Seth Myers."

Dressed in the familiar "Chandelier" singer Sia's platinum wig and an all-white outfit, Lena Dunham frantically swayed, flayed and danced around the stage while the Adelaide-born singer was face down on the bed singing the lyrics.

At one point, "Girls" actress Lena Dunham climbed on the bunk bed and straddled and spooned "Chandelier" singer Sia.