In Hollywood’s latest family feud, “Tammy” star Melissa McCarthy will skip her cousin Jenny McCarthy’s wedding!

Sources tell The National
ENQUIRER the “bad blood” dates back to Melissa’s years as a struggling actress.

“The cousins were close at one time, but they’ve grown distant over the past few years,” a source said.

Melissa, 43, and Jenny, 41, took their spat public during separate appearances on
Howard Stern’s radio show.

When Howard asked Melissa about Jenny’s upcoming nuptials to Donnie Wahlberg, she said: “I probably won’t go to her wedding, only because we are on opposite worlds now….”

Jenny lives in New York, while Melissa lives in L.A.

While chatting with Howard a few weeks later, Jenny claimed Melissa was invited.

But a pal close to Jenny revealed to The National ENQUIRER: “Before Howard put her on the spot, Jenny had no desire to invite Melissa to her wedding.

“Jenny feels she helped Melissa get a leg up in the business. But now that Melissa’s career is skyrocketing, Jenny feels she doesn’t have time for her.”

Melissa worked as a production assistant on her cousin’s short-lived variety show in 1997 and made an appearance on the show. But Jenny also reportedly told her that she’d need to lose weight if she wanted to advance in Hollywood.

“That really hurt Melissa, and now she’s having the last laugh,” said the source.

“She’s proving you don’t need to be a size 2 with fake boobs to make