Sinead O’Connor, the controversial Irish musician, made her first public appearance since her wedding last week to psychotherapist Barry Herridge. The two, who have only been dating for three months, got married in Las Vegas, making this O’Connor’s fourth marriage.

O’Connor appeared in Dublin today on Monday at Amnesty International’s celebration of 50 years in Dublin. While there, photos of her dazzling gold and ruby ring were snapped up, as the happy looking O’Connor posed for photos.

The DailyMail reports that donning an Amnesty t-shirt, O’Connor performed five of her hits at the celebration in Amnesty International’s offices before moving on to a ceremony at St. Anne’s Church.

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Sinead and three-month long boyfriend Barry Herridge tied the knot at a Las Vegas wedding chapel last week. The two first met when Herridge responded to one of O’Connor’s online posts about being ‘starved for sex.’

At the wedding, O’Connor wore an understated pale pink strapless gown, with Herridge in a traditional suit. Following the nuptials, O’Connor blogged that the day was “too glorious for words” though she would update readers yesterday about the ceremony.

However, later posts showed that O’Connor was too busy to update, and will be headed for New York for the ‘Albert Nobbs’ film premiere, in which she sings the end credits song.