Will she grow old with ‘Christine’?

When Julia Louis-Dreyfus joins you for coffee and a chat, don’t expect to be treated to a glimpse of Elaine’s spazzed-out dance.

And if you catch her off-guard with something you say, don’t expect her to register surprise, Elaine-style, with “Get OUT!” followed by a two-handed shove.

For any devotee of “Seinfeld,” on which Louis-Dreyfus served so indelibly for nine seasons, a certain point, however obvious, bears repeating: Julia Louis-Dreyfus is not Elaine Benes.

Nor, by the way, is she the equally dizzy character she plays on her new CBS sitcom, “The New Adventures of Old Christine.”

“Old Christine,” airing at 9:30 p.m. Mondays, won’t make anyone forget “Seinfeld.” What could?

So while her hopes are high, they’re within reason: Louis-Dreyfus just wants the new show to be funny and to run for many years.

Christine is an insecure single mom locked in a triangle with her amicable ex-husband, Richard (Clark Gregg), and the “new” Christine (Emily Rutherford), his younger, goodhearted (if dimwitted) girlfriend.

She owns a 30-minute-workout spa for women, which is a funny notion since she clearly has doubts about her own body, especially as she re-enters the dating pool.

“There’s a lot of pressure on us girls,” Louis-Dreyfus declares, hastening to add: “Not that there isn’t pressure on guys, too.”

Her real life is a different story. She can boast of a long-standing marriage to writer-producer Brad Hall, with whom she has two sons, aged 13 and 8.

Petite and fit, Louis-Dreyfus looks a decade or more younger than her 45 years.

So are the woebegone qualities of Christine undercut by the allure of the woman who brings her to life?

“Thanks,” she says, before drawing a sharp distinction between Christine looking good and Christine feeling good about her looks.

Even Louis-Dreyfus, who insists she isn’t “cover-model beautiful,” will cop to a dread of getting wrinkles.

But as her fingers press her temples for a momentary facelift, she voices fear of ever going under the knife.

“I’m scared to death I might die on the operating table,” she says with a laugh. “Now, wouldn’t that be something?”

The fact is, Louis-Dreyfus looks no different from her “Seinfeld” days, which ended eight years ago.

In between, of course, she returned in 2002 with a new series, “Watching Ellie,” which she created with her husband.

The innovative single-camera, real-time comedy about a nightclub singer was quickly pulled off the air for retooling, came back a year later, then was swiftly canceled.

“A sad day,” says Louis-Dreyfus, recalling the mood around her house when the ax fell.

Now, when CBS unveils its fall schedule on May 17, she’ll know if more good “Old” days lie ahead.

The birthday bunch

Actress Shirley MacLaine is 72. Singer/actress Barbra Streisand is 64. Actor Eric Bogosian is 53. Actor Michael O’Keefe (“Roseanne”) is 51. Actor-comedian Cedric the Entertainer is 42. Actress Melinda Clarke (“The O.C.”) is 37. Actor Eric Balfour (“Conviction”) is 29. Singer Kelly Clarkson is 24.