Miley Cyrus: Still Hollywood’s teen queen, Cyrus saw “Hannah Montana: The Movie” open No. 1, earning $155.5 million worldwide. Her single “Party in the U.S.A.” topped charts.
Zac Efron: Scored a hit with his comedic turn in “17 Again,” though serious film “Me and Orson Welles” took a year after Toronto to open.
Dakota Fanning: After earning cred with adults for several daring roles, she decided to build her teen base as a member of the Volturi in “New Moon.”
Dakota Blue Richards: Apart from her appearance in the BBC’s “Dustbin Baby,” the “Golden Compass” star has stayed under the radar.
Kristen Stewart: Reprised her role of Bella in mega-blockbuster “New Moon.” Is lensing “The Runaways,” portraying the all-girl-punk band’s leader Joan Jett.
Adrian Alonso: “La misma luna” star has a handful of Mexican pics in production, including “El muro de al lado,” and is still courting Hollywood.
Andy Fickman: “Race to Witch Mountain” earned a respectable $67 million at the box office. Has a few pics in the pipeline, including Disney comedy “You Again” and Par’s “Give Me a Call.”
Catherine Hardwicke: The “Twilight” sequel went to Chris Weitz, but she has “Maximum Ride” and “If I Stay” lined up.
Laurent Cantet: The French helmer’s highly acclaimed “The Class” earned an Oscar nomination for foreign-language movie but lost to Japan’s “Departures.”
Debra Martin Chase: Producing Fox Searchlight’s “Just Wright” with Queen Latifah and Paula Patton.
Selena Gomez: Her Disney Channel movie “Princess Protection Program” premiered as the No. 1 cable telecast of 2009, only to be trumped by her “Wizards of Waverly Place: The Movie.”
Maki Horikita: Continues to work in Japan with the film “Professor Layton and the Eternal Diva” up next.
Miranda Cosgrove: “iCarly” is Nick’s No. 1 series. Sang the closing song in “Cloudy With a Chance of Meatballs.”
Thomas Dekker: “Terminator: The Sarah Connor Chronicles” may have been canceled and his role in “Fame” recast, but he gave a moving perf as a cancer patient in “My Sister’s Keeper.”
Mark Indelicato: ” Ugly Betty,” now in its fourth season, is keeping the young scene-stealer busy.
Lauren Levine: The producer had her hands full between holiday special “Merry Christmas, Drake and Josh” and Nick telepic “Spectacular!” (which didn’t quite live up to its name).
Brenda Hampton: Her show “The Secret Life of the American Teenager,” is ABC Family’s most popular offering.
Rich Ross: Disney Channel topper was tapped to chair the Mouse House studios in October.
Dawn Ostroff: The CW chief has seen mixed ratings for the reboot of “Melrose Place,” but “The Vampire Diaries” has been one of the season’s big hits, and “Gossip Girl” is still going strong.
Rob Sorcher: Chief content officer saw his Cartoon Network recently pick up its first live-action series, “Unnatural History.”
Jonas Brothers: Their tour sold 1.5 million tickets, though the bigscreen 3-D tie-in barely scratched $20 million. Seventeen-year-old sib Nick plans to go solo in January.
Jesse McCartney: Remains busy in music, TV and film. Boarded skein “Greek” with a recurring role and reprises his part as Theodore in “Alvin and the Chipmunks: The Squeakquel.”
Taylor Swift: Became the youngest person to win Entertainer of the Year at the Country Music Awards. Can be seen next in Garry Marshall’s romantic comedy “Valentine’s Day.”
Soulja Boy: His second album, iSouljaBoy, peaked at No. 5 on the Billboard Hip-Hop/R&B charts. Next album is due out next year.
Steven Vincent: Saw the third installment of “High School Musical” hit big at B.O. and on the music charts.
Doug Cohn: The Nick senior VP of music marketing and talent partnered with Sony to produce two upcoming 2010 skeins, boy band tuner “Big Time Rush” and Victoria Justice starrer “Victorious.”
Daniel Radcliffe: Continues to resist Harry Potter typecasting by toplining the Broadway tuner “How to Succeed in Business Without Really Trying.”
Jason Robert Brown: Enjoyed some positive Los Angeles exposure thanks to a revival of his Broadway show “Parade” at the Mark Taper Forum.
Abby Bluestone: Client Nina Dobrev’s TV skein “Vampire Diaries” was a runaway hit. Amanda Seyfried’s slate continues to grow with upcoming roles in “Dear John” and “Marmaduke.”
Wendi Green: Her client Angus T. Jones’ skein “Two and a Half Men” continues to pull impressive ratings on CBS.
Nick Styne: It’s been a big year for clients Selena Gomez and the Jonas Brothers. 2010 looks good for thesp Noah Ringer, who stars in “The Last Airbender.”
Thor Bradwell: Managed to keep Taylor Lautner in “New Moon.” Clients Nicola Peltz and Seychelle Gabriel booked work in “The Last Airbender.”
Jason Weinberg: The agent helped line up image-expanding roles for Blake Lively and Vanessa Hudgens (Zack Snyder’s “Sucker Punch”).
Ryan Sheckler: The skateboarding star crosses over to film in “The Tooth Fairy” with Dwayne Johnson.
Bo Burnham: Released self-titled album in March, which he is promoting via his “Fake I.D. Tour.” Judd Apatow gave him a cameo in “Funny People.”
Megan Fox: “Transformers 2” ruled the B.O., while her titular turn in “Jennifer’s Body” earned less than $20 million.
Blake Lively: The “Gossip Girl” star is shooting Boston-based thriller “The Town” with director Ben Affleck.