Jennifer Lopez and crew rehearse for tour in Philly

JENNIFER LOPEZ has been quietly holed up for a few days at the Ritz-Carlton with boyfriend and choreographer Casper Smart.

The couple and her backup dancers have been rehearsing at Temple's Liacouras Center for the North American leg of her tour with Enrique Iglesias, which kicks off Saturday in Montreal and will make a stop at Atlantic City's Boardwalk Hall on July 29.

We're told that the dancers had been at the Liacouras Center since June 29 but that JLo rehearsed there only over the weekend.

The gang is through working at the Liacouras Center but is still in Philadelphia and is expected to leave Thursday or Friday.

Will Smith and son Jaden will help the American Benefactor Foundation honor Charles "Charlie Mack" Alston at 6 p.m. July 20 at the Academy of Natural Sciences of Drexel University. The event is open to the public but costs $250. Tickets are available by calling 267-687-0223 or emailing events@americanbenefactor.org. The Smiths will also take part in some of the Charlie Mack Celebrity Party 4 Peace weekend events taking place July 20-22 all over the city. For a schedule of events, visit tinyurl.com/charliemack. Mack is a longtime friend of Will Smith, who, along with Jaden, recently worked on M. Night Shyamalan's "After Earth" in Bucks County.

South Jersey native Kelly Ripa will be at Cooper University Hospital on Wednesday shooting TV commercials featuring four of Cooper's programs. Ripa has appeared in previous spots for the hospital. The "Live! with Kelly" host will tape her parts at Cooper's Roberts Pavillion lobby and its 10th-floor conference center.

Philly-raised rapper/actress Eve will be back in town July 23 to speak with high school girls at the African American Museum in Philadelphia (7th & Arch), which hosts the Uniquely You Summit's Becoming Who You Are series. Teen girls can register for the event at uniquelyyousummit.org. Eve's lecture is a kickoff event for Uniquely You, which takes place in September. The events are geared toward empowering adolescent girls. For more info, call 484-383-4897.

The second floor of McGillin's (1310 Drury) was rocked like a hurricane Tuesday night, when the Scorpions threw a party for their road crew. The German rockers, who played the Mann Center Wednesday, drank mostly Stella Artois and Jagermeister and gave bartender Jennifer Chicano tickets to their show.

South Philly-native model Amber Rose will sign bottles of Smirnoff Fluffed Marshmallow vodka and Whipped Cream vodka at 6 p.m. Thursday at the PA Wine & Spirits (1218 Chestnut). Later that night, she'll attend the QFest opening party at Table 31 at the Comcast Center. For tickets or info, visit qfest.com.

A surprise birthday party was thrown for comedian and North Philly native Kevin Hart during last weekend's Essence Festival in New Orleans. Denzel Washington, Spike Lee, Tyler Perry, Mary J. Blige and Doylestown native Pink all partied with Hart, who turned 32 on Friday.

Hart's longtime friend, Philly boxer Simon "One Punch" Carr, supplied gift bags full of his Punchline clothing line.