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Will these celeb couples break our hearts?

They left us gobsmacked by announcing their split, and two months later we still don't know what is going on, or where we stand with Boyzone singer Ronan Keating and his wife of 12 years, Yvonne.

Should we take our favourite Malahide couple back into our affections? Or hold off a little longer, in case the once-devoted showbiz duo is not planning on getting back together, following Ronan's alleged affair with backing dancer Francine Cornell.

Some celebrity couples are easy to get mushy over, such as Amy Huberman and Brian O'Driscoll, Michelle and Barack Obama, Penelope Cruz and Javier Bardem, and Heidi Klum and Seal.

These sexy couples look perfect together, and we develop a kind of romantic crush on them. We are confident they will stay together forever. Other famous couples are harder to invest in emotionally - simply because they don't look as happy as lovers should.

>1 Jude Law and Sienna Miller Actor Jude (37) cheated on his fiancee and Alfie actress Sienna (28) by having affair with his children's former nanny. Reunited, they're said to be planning a wedding.

>2 Sarah Jessica Parker and Matthew Broderick Broderick (48) was rumoured to have strayed while his wife Sarah Jessica (45) was busy filming Sex and the City: The Movie.

>3 Russell Brand and Katy Perry Katy (25) and Russell (35) are both exhibitionists, so what happens when one gets more media attention than the other?

>4 Justin Timberlake and Jessica Biel Singer Timberlake (29) and his new girlfriend, actress Jessica (28), are often snapped together looking, well, miserable.

>5 Ashton Kutcher and Demi Moore Demi will be 50 in three years time and Ashton will be 35 -- a near-on perfect age to become a father.

>6 Yvonne and Ronan Keating Ronan (33) and Yvonne (36) were spotted out on a day trip to Sydney's Taronga Zoo -- but they were said to be looking a little glum (pictured right and in happier times).

>7 Prince William and Kate Middleton We're bored waiting for a wedding, so what are the chances that William (28) and Kate (28) are a little bored too?