Memorial Day has come and gone and with it the oh-so-comfortable bulky sweaters and concealing sweat pants of winter. Now, it’s time for skimpy sun dresses and bikini bathing suits. Don’t despair! It’s not too late to get into shape for the sizzling days of summer — and ET’s favorite celebs tell you how they do it!

CHRISTIE BRINKLEY loves to jog and go kayaking; "Dancing with the Stars" judge CARRIE ANN INABA stays fit with aerobics and kick boxing; and this year’s "DWTS" champ KRISTI YAMAGUCHI’s secret is a healthy, balanced diet.

ET also turned to OPRAH WINFREY’s health and fitness guru, radio host and best-selling author BOB GREENE for his thebestlife.com tips on how to get swimsuit svelte.

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