Are Jaime St. James and Faris Badwan both lead vocalists?
yes
Title: The Horrors
Passage: The Horrors are an English rock band formed in Southend-on-Sea in 2005, consisting of lead vocalist Faris Badwan, guitarist Joshua Hayward, keyboardist and synthesiser player Tom Cowan (also known as Tom Furse), bassist Rhys Webb, and drummer and percussionist Joe Spurgeon.  Their music has been classified as garage rock, garage punk, gothic rock, shoegazing and post-punk revival.
Title: Faris Badwan
Passage: Faris Badwan (born 21 September 1986) is an English musician, best known as the lead vocalist of the Horrors, and more recently as half of Cat's Eyes.
Title: Jaime St. James
Passage: Jaime St. James is the lead vocalist and primary songwriter of the glam metal band Black 'N Blue.  He also served briefly in the mid-2000s as the lead singer of Warrant, but he left upon the return of the band's original lead singer Jani Lane in 2008.  He sang (and co-wrote several tracks) on Warrant's 2006 album "Born Again".
Title: Rockaholic
Passage: Rockaholic is the eighth studio album by American rock band Warrant, released on May 17, 2011.  The album features the band's third lead singer, Robert Mason, who replaced original lead singer Jani Lane in 2008.  Lane returned to the band for a 2008 reunion tour but by the end of the year, he and the band parted ways for the second time.  Lane had previously replaced former lead singer Jaime St. James, who performed lead vocals on the band's last album, "Born Again", and who initially replaced Lane in 2004.
Title: Born Again (Warrant album)
Passage: Born Again is Warrant's seventh studio album released in 2006.  The album features ex-Black N' Blue vocalist Jaime St. James who replaced Jani Lane in 2004.  Lane left the band due to personal and business disagreements and thus, "Born Again" is the first Warrant album not to feature him on lead vocals.
Title: Black 'n Blue
Passage: Black 'N Blue is an American heavy metal band from Portland, Oregon.  The current members are singer Jaime St. James, bassist Patrick Young, drummer Pete Holmes, guitarist Bob Capka, and guitarist Brandon Cook.
Title: You Cross My Path (album)
Passage: You Cross My Path is the tenth album by British alternative rock band The Charlatans, released on 3 March 2008 as a free download from the XFM website.  The album was then released, in the form of CD and 12" vinyl on 12 May 2008.  The album's cover art is drawn by Faris Badwan of The Horrors.
Title: Cat's Eyes
Passage: Cat's Eyes are an alternative pop duo formed in early 2011 by vocalist Faris Badwan (known for his work with English indie rock band the Horrors) and Italian-Canadian soprano, composer and multi-instrumentalist Rachel Zeffira.
Title: Rachel Zeffira
Passage: Rachel Zeffira (born Rachel Santesso) is a Canadian soprano, composer and multi-instrumentalist currently based in London, England.  She is also one half of the duo Cat's Eyes, the other being Faris Badwan of the Horrors.
Title: EZO (album)
Passage: EZO is the American self-titled debut album from the Japanese metal band Ezo.  It was released in 1987 on Geffen Records and co-produced by Gene Simmons of KISS fame.  Songwriters from the Kiss’ entourage, such as Adam Mitchell and Jaime St. James, contributed heavily to the songs of the album.  Jody Gray, co-writer of the song "Destroyer", co-wrote and co-produced the band's second album, "Fire Fire".
Faris Badwan Jaime St. James