This weekend was the unofficial start of summer, and with that came a heat wave of twitpics! Celebs from coast to coast couldn’t bear to put down their mobile devices — just like Jennifer Hudson.

This week we’re taking a glimpse into the Twitter accounts of Rihanna, Chris Brown, Iman, Lance Gross and more. Plus, we’ve captured a few cute photos of Niecy Nash before her wedding day!

Have look at this week’s extraordinary twitpic roundup…