They both come from very different sides of the music industry, and yet Taylor Swift and LL Cool J have great on-screen chemistry.

Taking her traveling show south, Selena Gomez was busy performing in Puerto Rico last night (January 22). The “Who Says” songstress and her crew took over the Puerto Rico Coliseum, with Selena treating the crowd to a solo sample of Nicki Minaj’s “Super Bass” followed by the sounds of Lil’ Wayne’s “6 Foot 7 Foot”. And though she’s one of the hottest stars on the planet, Ms.

Following a rough holiday break and divorce announcement, Katy Perry made her first concert appearance since all the drama began today (January 19) in Jakarta, Indonesia.

He’s well-known for his wandering eye, but Usher insists he’s on point when it comes to being a good dad to his kids. The “Yeah” singer fired back at his ex-wife Tameka’s claims that he neglects their two sons, as she’s trying to gain full custody. Usher filed court papers in which he affirms his role as a father, denies canceling Tameka’s credit card, and maintains his desire for joint custody.

Bringing her unique ways overseas, Nicki Minaj lent her star power to the January 2012 issue of Glamour UK . The 27-year-old “Super Bass” singer is profiled in a feature titled ‘We Love Her Minajesty!,’ which includes a fashionable spread of pictures shot by Frederike Helwig along with a brief writeup to go with a few quotes from Nicki. Some of the highlights from Miss Minaj’s feature are as follows

She’s the latest face of Emporio Armani Underwear as well as Armani Jean, and Rihanna seems to have been quite the perfect choice for the job. A new behind-the-scenes clip shows footage of her video shot on location in New York City by Steven Klein and Johan Renck. Of the effort, RiRi told, “We did a whole transformation so now I’m a blonde and not a red head anymore… and I like it.” The Barbadian beauty follows previous Armani faces including Megan Fox, Cristiano Ronaldo and the Beckhams

Always a fan of changing things up, a brunette Ashley Tisdale was spotted leaving the Byron & Tracey hair salon in Beverly Hill, CA on Tuesday (December 13). The “Hellcats” hottie looked happy with her new haircut and color as she gave the paparazzi a smile before hopping in her vehicle and going about with her day

She’s always on the go, and Nicki Minaj was spotted leaving her New York City hotel on Friday (December 9). The “Super Bass” babe looked super cute in skinny slacks, heels and a warm fur (presumably faux) coat as she hopped into her chauffeured vehicle. Earlier in the week, the sassy rapper joined Madonna on set to shoot the video for “Give Me All Your Love,” the first single off the “Material Girl” singer’s forthcoming album.

Hard at work on a comedy sketch, Katy Perry was spotted out in New York City with Matt Damon , Val Kilmer and Andy Samberg today (December 9). The “Hot N Cold” songstress will be taking over the hosting duties for “Saturday Night Live” tomorrow night, and she got some good advice from her husband Russell Brand. Katy told press, “I’ve only ever hosted, like, dinner parties and birthday parties.

Joining in on the festive music celebration, Willow Smith was among the stars on-hand for KIIS FM’s Jingle Ball 2011 in Los Angeles, California on Saturday night (December 3). The “Whip My Hair” singer playfully posed on the Nokia Theatre L.A.