Madonna: your Super Bowl halftime show. (Srdjan Ilic/AP)

A morning mix of entertainment headlines ...

Madonna will perform at this year’s Super Bowl halftime show. The NFL and NBC officially confirmed the news that the hydrangea-loathing pop icon will be the marquee entertainment element at the big game, happening Feb. 5. (Associated Press)

Meryl Streep’s indisputable greatness was celebrated by Mike Nichols, Stanley Tucci, Emily Blunt, Robert De Niro and Kevin Kline as part of this year’s Kennedy Center Honors ceremony on Sunday night. Neil Diamond, Yo-Yo Ma, Barbara Cook and Sonny Rollins also officially became Honorees this weekend. (The Washington Post)

Kourtney Kardashian and “Teen Mom” star Farrah Abraham are officially engaged in a Twitter war. It began when Abraham wrote “Im Shocked Kourtney Kardashian is pregnant again, Did she not learn anything from TEEN MOM?” and then escalated to the point that Kardashian’s boyfriend Scott Disick got involved. You know it’s intense when Disick starts throwing down insults. (New York Daily News)

Dev Anand, a longtime Bollywood movie star, died of a heart attack in London. He was 88. (Entertainment Weekly)

George Clooney is partially responsible for new evidence being compiled in the case against Sudanese Defense Minister Abdelrahim Mohamed Hussein. Data obtained by spy satellites via the Satellite Sentinel Project, an effort co-organized by Clooney with the Enough Project, suggests Hussein may be behind the deaths of several civilians during the past year. Clooney previously described the satellites as “the anti-genocide paparazzi.” (Time)

Katy Perry and Russell Brand pose in photos together to form a united front against rumors that they are getting divorced. In unrelated news: Katy Perry also has a new haircut. (Daily Mail)

Breaking news: Blake Lively and Ryan Reynolds ate ice cream together in Connecticut over the weekend. An eyewitness tells People: ”They seemed very happy together,” adding “They were very excited about the ice cream.” Seriously. That is an actual quote. (People)

In proof that brave investigative journalism is still alive and well in this country, Adrian Chen of Gawker spent an entire evening with the BieberArmy during a Justin Bieber CD buyout at a New York City Kmart. This is how Pulitzer Prizes are made. (It’s actually a pretty interesting blog post.) (Gawker)