Singer Macy Gray appeared erratic and distracted in an awkward interview on a British chat show on Tuesday morning.

The singer appeared on ITV1's Lorraine on Tuesday to promote her headline show at WOMAD Festival, and viewers took to social media to brand the interview "car crash TV" after she referred to herself as a "vampire", questioned why she had to be up so early for the chat, and asked host Lorraine Kelly for directions to another interview during the incoherent exchange.

After being asked about her recent stay in hospital she gave a bizarre response.

"I'm a vampire," the I Try singer told Lorraine. "I needed a blood transfusion... I just want to bite people! But that's illegal."

Although she is in town to promote her show at WOMAD on 25 July, in Malmesbury, England, when she was asked where the festival was, the 51-year-old just shook her head.

The singer then questioned why Kelly's show started so early and suggested that the broadcaster pre-record the interviews in the afternoon.

Viewers took to Twitter to comment on the interview, with many suggesting the singer seemed "a bit out of it".

"Car crash tv . Poor #Lorraine . Keeping it going . Bless your heart!" tweeted one, while another questioned: "Is macy grey (sic) out of it on #Lorraine @GMB."

Gray previously admitted to being hooked on marijuana and ecstasy after her swift rise to fame following the 1999 release of her hit song I Try. However, she quit using drugs cold turkey after becoming worried they were affecting her looks.

"I looked in the mirror one day, and I had bags (under my eyes) and my skin was doing weird stuff," she recalled in 2014 TV show Oprah: Where Are They Now? "That really scared me, so, I swear to God, I quit. I quit that day, just because of my looks."

The WOMAD Festival takes place between 25 to 28 July.