Another celeb has hopped onboard the Katy Perry hate train. Trace Cyrus joined a slew of VIPs slamming Perry for her awkward space flight and pleading with her team to give it a rest already.

Following the “Dark Horse” singer’s controversial trip to space, the Metro Station artist called her “lame as f–k” for allegedly copying his sister Miley Cyrus’ career.

The country singer-songwriter, who has made headlines in recent months for an alleged feud with his children, praised his daughters Miley and Noah Cyrus in an affectionate Instagram post Tuesday.

Trace Cyrus, brother of Miley Cyrus, claims Katy Perry imitated his sister's career. He cited Perry's haircut and collaborations as examples. Trace mentioned Perry's team tried to replicate Miley ...

Trace Cyrus believes that his sister Miley Cyrus’ career has influenced ... taking up space AND making room in space for all. See you on tour (when I come down, figuratively).” ...

This year's event will also feature the premieres of films about Counting Crows, Billy Joel, Culture Club, Billy Idol, Becky G, Eddie Vedder and more.

“And they were like, ‘Hm, what can we do? Well, what worked for Miley? She cut her hair off and it broke the internet and everyone freaked out and she bleached it blonde. We should do that wit ...

Katy Perry has been slammed by Miley Cyrus' brother Trace Cyrus ... promoted the setlist to her upcoming tour, and sang the lyrics to 'What a Wonderful World' all while suspended in microgravity.