"Slumdog Millionaire" star Dev Patel caught indie-rockers Denali when they played the First Unitarian Church (2125 Chestnut) Friday night. The actor, now shooting "The Last Airbender" with M. Night Shyamalan, turned up with a few crew members... Jill Zarin, of "The Real Housewives of New York City," got a huge ovation from the crowd at the Borgata Friday night when she walked in with husband, Bobby, to see comedienne Kathy Griffin's show...Eagles coach Andy Reid and a few pals took to the Sporting Club at the Bellevue Friday afternoon to play racquetball...New Kids on the Block's Jordan Knight and Donnie Wahlberg joined the Roots onstage for their opening set at the Roots Picnic. The New Kids played the Susquehanna Bank Center that night. Others on the bill at the Picnic included Philly's Santigold, Public Enemy (backed by the Roots) Antibalas and TV on the Radio...Rappers Beanie Sigel and Freeway hit Silk City (5th & Spring Garden) Friday for the 4AM party with DJs Dirty, Jayo and Tigerbeat.