Nicki Minaj continues her hot streak with the announcement that she’s been booked as the musical guest on the January 29 episode of “Saturday Night Live,” hosted by The Social Network star Jesse Eisenberg. She and her alter-egos will perform material from her debut album Pink Friday, which was recently certified platinum. But first up, the in-demand diva is headed to London and Paris for a promo tour. It’s a Barbie world, we just live in it.