The 30-year-old singer now has a total of 20 tattoos.
Gaga was joined by some of music's most iconic performers including Stevie Wonder, Elton John and Billy Joel among many others.
The only thing we love more than 'Carpool Karaoke,' is when the hit segment gets a holiday twist!
In an epic 'Karaoke' mashup, Corden and his famous passengers belt out the holiday classic 'All I Want For Christmas Is You.'
The 30-year-old singer's new video picks up right where 'Perfect Illusion' left off.
The 'Perfect Illusion' singer tweeted her agreement to a sit-down with the controversial television personality.
Madonna told ET it was important for her to speak about being a woman in today's world on stage.
"Thanks for being that for us girls."
The 30-year-old singer looked as elegant as ever while meeting Prince Charles and his wife, Camilla.
Gaga first made the revelation she suffers from PTSD in an open letter.
Mother Monster greeted Prince Charles and Wife Camilla at the Royal Variety Performance in London Tuesday.
Lady Gaga talks about her struggle with PTSD in an emotional open letter.
From dresses to jumpsuits, these ladies slayed!
The singer wore a custom Julien MacDonald look for the big night.
