No tweets from Demi or Ashton as reports suggest marriage is in trouble

As speculation mounts over their personal life, Demi Moore and Ashton Kutcher are sticking to business when it comes to their Twitter accounts.

The couple – at the centre of new infidelity reports - are well known for loving and playful exchanges on the networking site.

But in recent weeks they have curbed their prolific personal tweets, focusing instead on promoting work and business ventures.


Perhaps the most telling recent message came from Demi on September 23 – the day before her sixth wedding anniversary.

"When we are offended at any man's fault, turn to yourself & study your own failings. Then you will forget your anger," she wrote – a quote from Greek philosopher Epictetus.

Earlier in the month, she told her followers she was "trying to find the light I lost".

Demi and Ashton – who are currently on two different coasts - spent their wedding anniversary apart, and Ashton refrained from tweeting anything on the day.

He spent the weekend partying in San Diego, where it has been alleged he had an encounter with a 23-year-old woman.

On Tuesday, the Two And A Half Men actor presented an award to Ryan Seacrest at LA's Promise Gala 2011.

Demi, 48, meanwhile, has been in New York City promoting the short film she directed as part of TV anthology, Project Five. On Monday evening she attended the premiere with Jennifer Aniston and Alicia Keys.

The couple, who married in 2005 after two years of dating, dealt with rumours of infidelity a year ago.

At the time they brushed off the allegations, Ashton writing on Twitter: "I think Star magazine calling me a cheater qualifies as defamation of character. I hope my lawyer agrees."

His wife responded, writing: "Excellent point my love."

Representatives for the couple are yet to comment on these recent reports.