Sport360 picks out the highlights from the sporting Twittersphere with Usain Bolt, Serena Williams and Manny Pacquiao all featuring this week.

Usain Bolt judged a rather unique contest this week as fans tweeted him pictures of their children mimicking his famous Lightning Bolt pose…

Tennis stars gather in Melbourne
With the Australian Open kicking off, there was much chat around the city of Melbourne. Serena Williams cut-out back dress has been the talk of the town all week while Milos Raonic is getting quite the attention because of his new haircut…

Manny chases ‘Fistory’
We’re hoping it’s not going to lead to crushing disappointment, but there’s Manny Pacquiao on Twitter (yet again) calling out Floyd Mayweather.

Tweetlets
Milwaukee Bucks star Giannis Antetokounmpo was quick to react to the news of Irina Shayk and Cristiano Ronaldo’s split. Cricketer Kyle Abbott enjoyed AB de Villiers’ record ton while Nico Rosberg went for a cruise.