Last time we checked in with Mary-Kate Olsen, she was supposedly "furiously" making out with a mysterious "scruffy" guy in a Parisian eatery. But has she traded French kisses for tonsil hockey? TMZ.com reports the itsy-bitsy fashion fatality maverick has been spending quality time with New York Rangers star Sean Avery, who's no stranger to wooing starlets. The NHL-er's nearly two-year romance with Elisha Cuthbert hit the skids last summer.

In related sports hookup news, just what series of unfortunate events led to last week's squicky snuggle-bunnies between MK's twin sis, Ashley Olsen, and Lance Armstrong? The Chicago Sun-Times believes the pocket-size mogul, 21, has had her eye on the Tour de France champ-turned-marathon runner, 36, for a while, even hanging an autographed magazine cover of him on her bedroom wall. Ash allegedly got in touch with Lance (through his people) to get his advice on a bike purchase. (As you do when you're rich and famous.) The paper says he was so tickled by the request he called her back personally, which eventually led to a lunchtime tête-à-tête, followed by the nighttime lip-locking.

Their coupling may be kaput, but Heath Ledger and Michelle Williams appear to be committed to playing nice for the sake of daughter Matilda. The New York Post reports the exes reunited a few days ago at their onetime family home in Brooklyn, NY, to celebrate their tot's second birthday. "Heath and Michelle got along very well," a party snitch tells the paper. "There's no bad feelings and everyone had fun."

Is Josh Hartnett losing his mojo? The actor, whose unibrow and facial fuzz have reportedly attracted the likes of Scarlett Johansson, Penelope Cruz and Rihanna, has supposedly struck out twice with the opposite sex in recent days. According to the New York Post, he put the moves on former model-squeeze Daria Werbowy at a New York Halloween bash, only to be given the brush-off. Meanwhile, a spy tells Star he attempted to sidle up to a pretty young thing at a Band of Horses concert last month, "but when she saw it was him, she turned and walked away."

Has his newfound fame turned Chace Crawford into a magnet for willowy blondes? People reports the mop-topped "Gossip Girl" star, 22, who's recently been linked to Carrie Underwood, 24, may be keeping his options open. At a soiree in New York on Oct. 29, he was supposedly spied dancing with his arms around actress Katrina Bowden, 19, best known as the nubile assistant on "30 Rock." "He's been texting her," an insider tells the mag. "He told her that he's not dating Carrie." Not so, says a Crawford pal, who insists it was Bowden who was the aggressor. "Chace is happy with Carrie," declares the buddy. "He really likes her." The actor's rep denies the flirty interlude, while Bowden's flack explains, "Katrina is happily single and not dating Chace."

Ciara recently downplayed long-simmering rumors of a romance with 50 Cent, but that didn't dissuade him from showering her with gifts on her 22nd birthday. The London Daily Mirror says the rap star had a planeload of goodies flown in to this weekend's World Music Awards in Monte Carlo, where they both appeared. Among the not-at-all-romantically-clichéd items said to be onboard: fresh rose petals, teddy bears, candles and chocolates from a Dublin bakery.

Next: Ashlee's Big Bauble, Jessica's Big Apple Coziness?