Twitter index: Justin Bieber crashes wedding, Darren Clarke wins The Open Championship

(AFP PHOTO / ADRIAN DENNIS)

Pictures and videos of Canadian singer Justin Bieber "crashing" a wedding party have been circling the web, but Twitter-using Bieber fans believe they have been duped.

Microbloggers are tweeting "I think it was planned when Justin crashed Paige's [cousin's] wedding because she was TWEETING at the time then five seconds later its on YouTube!"

Professional golfer "Darren Clarke" is the latest winner of the British Open at Royal St George's and a current favorite on the microblogs.

Twitterers are congratulating Clarke on his win, posting, "I am absolutely delighted for Darren Clarke & toast his victory in The Open Championship at Royal St George's today. Congratulations," "Congratulations to darren clarke what a victory!" and "If I've said it once, I've said it a dozen times. Darren Clarke is the next tiger."

The first three entries on Twitter's most talked about topics on July 18 are the hashtags "#lifewaseasybefore," "#1waytopissmeoff" and "#yousayyougotswag."

MTV's " Silent Library" game show, an English language version of Japan's popular " Downtown no Gaki no Tsukai ya Arahende!!" TV show, is in fourth place. Stoner comedy “Half Baked” is fifth on the chart and the British movie “Spice World” featuring the all-girl pop group the Spice Girls follows in sixth place.

"USPA," short for the US Polo Assn. clothing brand, is eighth on the list.

The top 10 most talked about topics on Twitter on July 18 at 7:30 AM GMT are:

1. #lifewaseasybefore (new)
2. #1waytopissmeoff (new)
3. #yousayyougotswag (new)
4. Silent Library (new)
5. Half Baked (new)
6. Spice World (new)
7. Goodnight Twitter (new)
8. USPA (new)
9. Paige (new)
10. Darren Clarke (new)