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Get ready for Ariana's performance in Vegas with videos from her iHeartRadio Theater Los Angeles show!
Intelligent Relationship Talk
WATCH: 'Duck Dynasty' Star Wows Judges On 'Dancing With the Stars'
38 First World Problems
Rihanna Blasts CBS Over NFL Song Snub
WATCH: Usher Does 'American Ninja Warrior' On 'Ellen'
Kmart's "Not A Christmas Commercial"