More than 100 mourners — including Amy Winehouse producer Mark Ronson — attended the 90-minute service at St. George's Church.
A hearse with Rae's name spelled out in white flowers was parked outside the church.
Wearing a simple black shift dress, a solemn-looking Rae, 29, was among the last to leave. She was taken away in car to attend the wake, held at the Wardrobe Bar, where the pair first met, London's Daily Mail reports.
Rae's body was found in his Leeds apartment on March 22. Police believe he died of a drug overdose
. They are awaiting toxicology reports.
"I could die tomorrow and think I've lived my life," Rae — who wed the Grammy-winning singer in 2001 — told the Mail just 18 months ago. "The lifestyle is part and parcel of being a musician. It makes you feel separate from the rest of the world. There's more angst, torture and edge to my life."
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