Valentine's Day 2015 - Valentine's Day (V Day) has been widely celebrated as the day of love. Usually, it's the time to express our utmost affections. For couples, it is a time to celebrate the joy of their relationship and for hopeless romantics, it might be a perfect time in finding a "Valentine."

But for singles out there, Valentine's Day 2015 is the most dreaded holiday of the year. For them, it is "Single Awareness Day," a time that reminded them of being alone forever. And according to a HuffPost Blog, single or not, V Day can be challenging.

And as the world celebrates Valentine's Day 2015, here are the top 7 celebrity breakups and hookups.

Starting on a positive side, Filmibeat.com lists the top 7 celeb hookups.

1. Sharon Stone and famed San Francisco Chronicle journalist Phil Brostein

The couple tied the knot in Valentine's Day 1998 but 6 years later, they ended their marriage.

2. Victoria Secret's Angel Adriana Lima and retired Serbian basketball player Marko Jaric

They married in Feb. 14, 2009. But in May 2014, they announced their separation after 5 years of marriage.

3. Salma Hayek and French businessman Francois-Henri Pinault

Hayek and Pinault also tied the knot in 2009. But no separation has been reported yet.

4. Singer Prince and Mayte Garcia

The couple married on Valentine's Day 1996 and divorced 3 years later.

6. Keri Russell and Shane Deary

They were married on V Day 2007 but divorced after 7 years of marital bliss.

7. Meg Ryan and Dennis Quaid

The actors got married on Valentine's Day 1991. However, the marriage only lasted for a whole decade.

Since its Valentine's Day 2015, the list won't be complete without some celeb breakups. Madame Noire lists the top 7 celeb couple who called it quits on V Day.

1. Jennifer Lopez and Sean Combs

The couple announced their separation on Valentine's Day 2001.

2.  Amanda Seyfriend and Ryan Philippe

They broke up just before V Day of 2011.

3. Sienna Miller and Jude Law

They had been in an on-and-off again relationship since the couple first broke up in 2006. But on Valentine's Day 2011, they finally called it quits.

4. Dianna Agron and Alex Pettyfer

They were already living together before they called it quits the week of Valentine's Day 2011.

5. Sophia Bush and Austin Nichols

The couple separated a day after Valentine's Day of 2012.

6. Delta Goodrem and Nick Jonas

With their 8-year age gap, the couple couldn't live up the society's expectations and separated a week after V Day 2012.

7. Diane Lane and Josh Brolin

The couple allegedly broke up after Valentine's Day 2013 but officially announced the separation late February.

Valentine's Day 2015 is hard enough if you're single or in the midst of a breakup. And some celebs are not immune in experiencing terrible V Day heartaches too.

Valentine's Day 2015 is a time to spread some love. And for those who are single, don't fret. Who knows, yours might be just around the corner.