The songwriter – who is stepping down from her position as a judge on American Idol after seven seasons – stood out while wearing a flowing white dress that exposed her toned arms during the party.

The E.T. singer accessorized with several pieces of gold jewelry, and her dark brunette hair fell onto her back.

Not seen at the event was Perry’s fiancé Orlando Bloom, whom she began dating after they met at a Golden Globes afterparty in 2016.

Katy Perry was pictured squeezed into a chair next to AI mogul Sam Altman during a pre-Oscars party in a photo that was shared on designer Diane Von Furstenberg’s Instagram Story on Sunday

Prior to becoming involved with the 47-year-old performer, the singer was married to Russell Brand from 2010 until 2012.

The Pirates Of The Caribbean actor was also married to Miranda Kerr from 2010 until 2013, and they share a son named Flynn, 13, who was born in 2011.

Orlando eventually moved on with Perry, and they went Instagram official with their relationship in May of 2016.

The singer and the actor split up in February of 2017, although they went on to reconcile the following year.

The Teenage Dream singer and the star of the Lord Of The Rings franchise went on to reveal that they had become engaged on Valentine’s Day of 2019.

Perry and Orlando subsequently started a family with the birth of their daughter Daisy Dove, three, in August of 2020.

The actor spoke to Flaunt about his relationship with the songwriter and stated that they often found themselves at odds regarding each other’s work.

‘Her pool is not a pool that I necessarily understand, and I think my pool is not a pool that she necessarily understands,’ he said.

Not seen at the event was Perry’s fiancé Orlando Bloom, whom she began dating after they met at a Golden Globes afterparty in 2016; they are seen in 2019

The Teenage Dream singer and the star of the Lord Of The Rings franchise became engaged on Valentine’s Day of 2019 and welcomed a daughter the following year; seen in 2023

The actor spoke to Flaunt about his relationship with the songwriter and stated that they often found themselves at odds regarding each other’s work; seen in 2021

Bloom then admitted that he occasionally went through rough patches with the Grammy Award-nominated hitmaker; seen with Perry in 2022

Bloom then admitted that he occasionally went through rough patches with the Grammy Award-nominated hitmaker.

‘Sometimes things are really, really, really, challenging. I won’t lie. We definitely battle with our emotions and creativity,’ he said.

However, the performer then stated that he was grateful to have been able to meet and start a family with the pop star.

‘I think we’re both aware of how blessed we are to have uniquely connected in the way that we did at the time that we did’