Sinead O'Connor has reunited with her husband Barry Herridge, who she separated from just 16 days after they were married in a Las Vegas "drive-thru" wedding.

She shocked fans again when, just a week after announcing her fourth marriage was over, she revealed that it was all back on again.

The 45-year-old Nothing Compares To You singer claimed she had called off the planned divorce after a night of "mad lovemaking".

She made disclosure on her newly reopened Twitter page under the name @vampyahslahah by telling fans: "Guess who had a mad love making affair with her own husband last night?

"Yay!!! me husband is a big hairy cave man an came to claim me with his club : ) and now im in cave-land."

She also admitted that the couple, who met in August after she posted an advert for a man on Twitter, had indeed rushed their nuptials.

O'Connor explained that they plan to take things slower by trying to be "boyfriend and girlfriend again" even though they are already legally married.

The couple, who have decided not to move back in together, nevertheless showed signs of domestic bliss when they were spotted bringing in the bins at her home in Bray.

Herridge, a drug counsellor, is the latest husband in the unlucky-in-love star's string of short marriages.