There are 2 bands with the name Pretty Vicious:

1.Pretty Vicious are an LA-based fourpiece. The band have been described as, "blues-drenched rock, psychedelic with a flair for the gothic" by SNM Magazine. The band broke up early 2007.
Their full length album "Hollywood Forever" was released in 2006 on So Sweet Records.

2. Pretty Vicious are a Welsh 4-piece rock group from Merthyr Tydfil formed in March of 2014, and were formerly signed to Virgin EMI Records starting with January 2015, and ending in late 2017.
The band is currently signed to Big Machine Records, as of 2018 August.
The band released a new single called "Move" at August 3.
They released a new album called "Beauty of Youth" which was released 12 July 2019.
and then in October a statement was issued by the band that they had split up.
While not a complete story this article covers it fairly well.
https://www.walesonline.co.uk/whats-on/music-nightlife-news/pretty-vicious-new-album-released-16576991 Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.