GettyImages Celebrity News - 07/24/2014

Mariah Carey surprised fans at the Hercules premiere in Los Angeles, sharing a moment with Dwayne Johnson. The event was star-studded, with appearances by Eddie Murphy and others. Meanwhile, Ryan Seacrest announced the lineup for the iHeartRadio concert in Las Vegas, featuring big names like Taylor Swift and Coldplay. In New York, Rose Byrne promoted her Broadway play, and Cheryl Cole launched her new fragrance, Stormflower, after changing her name to Cheryl Fernandez-Versini.

What new insight or understanding did you gain from this video?