Cheap$kate: FREE events in NYC this week

'Great in Bed' book signing
How are you in bed? Whether you proudly tout your sexual prowess, consider yourself a novice or aren't quite sure how to answer that, head over to Babeland Soho on Wednesday for a book reading, signing and Q&A with sexperts Dr. Debby Herbenick and Grant Stoddard, featuring their new book "Great in Bed," a brand-new look at sex today. Champagne refreshments will be served. (Wednesday, 7 p.m., FREE, Babeland Soho, 43 Mercer St., 212-966-2120, babeland.com/events)

Music

Pop-Up Concerts
You've probably heard of pop-up shops, but what about pop-up concerts? Get in on the action with a spot right onstage in the middle of the show and lose yourself in the chamber-music stylings of Musical Experiments, featuring the JACK Quartet and cellist Lauren Radnofsky. Beer will be provided by the Harlem Brewing Company. (Tuesday, 5:30 p.m., FREE, Miller Theatre at Columbia University, 2960 Broadway, MC 1801, 212-854-7799, millertheatre.com)

Comedy

Break up your week with some gut-busting laughter. Check out this FREE weekly stand-up comedy show - featuring comics from HBO, "Letterman" and more - every Tuesday at the Irish Exit bar on the East Side. Be sure to RSVP - the first 10 score a FREE beer. (Tuesday, seating at 8 p.m., FREE, the Irish Exit, 978 Second Ave., RSVP to 212-755-8383 or freecomedytuesdays@gmail.com)

Sweets

Grand opening of Georgetown Cupcake Soho
Who doesn't love cupcakes? And especially FREE cupcakes! Count us in. Celebrate the grand opening of Georgetown Cupcake Soho - co-owned by sisters Sophie LaMontagne and Katherine Kallinis, stars of TLC's "DC Cupcakes" - on Saturday at noon and try a FREE cupcake. Also happening that day: the introduction of a new specialty, the "I Heart NY Dozen," and three all-new, NYC-centric flavors. (Saturday, noon, FREE, Georgetown Cupcake Soho, 111 Mercer St., georgetowncupcake.com)

Talk show

The Bill Cunningham Show
Here's your chance to finally be on TV! Sort of. Brand-new TV talk show "The Bill Cunningham Show" is looking for audience members every Wednesday and Thursday at 10 a.m. and 1:30 p.m. Get your 15 seconds of fame by weighing in on hot-button issues like hoarding and cyber-bullying in the audience questions-and-comments segment at the end of each taping. Call or go online to get your FREE tickets. (Wednesday and Thursday, 10 a.m. and 1:30 p.m., FREE, Hotel Pennsylvania Grand Ballroom, studio entrance at 33rd St., btwn Sixth and Seventh aves., 212-419-7437, billcunninghamshow.com)

Film

'All Me: The Life and Times of Winfred Rembert'
Winfred Rembert's autobiographical paintings depict the life of African-Americans in the segregated South, including powerful images of them in the cotton fields, singing in church and working on chain gangs. Rembert recounts his life in "All Me: The Life and Times of Winfred Rembert," directed by Vivian Ducat, who will be in attendance at this FREE screening of the film on Thursday. (Thursday, 1 p.m., FREE, Pelham Fritz Recreation Center, 18 Mount Morris Park West at 122nd St., 212-860-1380, nycgovparks.org)