BALDING BEN & JEN GETTING HAIR PLUGS!

Newlyweds are all in through thick and thin

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FRETTING over her rapidly retreating hairline, diva Jennifer Lopez is looking to plug the gaps - and so is her follically challenged groom, Ben Affleck, insiders dish! While the 53-year-old Latina hottie chases a hair transplant, Ben, 50, already nabbed high-end weaves that blend naturally, tattle spies.

"Ben was getting thin on top and feeling very self-conscious," blabs an insider. "He started using Rogaine a while ago, but didn't leave anything to chance and got some weaves.

"Word is, he paid a couple thousand for his modern man do. He can comb it, fluff it up and style it as if it was his own hair.