Sandra Bullock is one of America’s sweethearts; she is charming, successful, and has often been compared to Lucille Ball, thanks to her comedic timing and talent. Breaking into ‘household name’ territory through movies like Speed, The Net, While You Were Sleeping, A Time To Kill, Miss Congeniality, and Two Weeks Notice, she has been acting steadily for nearly three decades.

Holding the title of highest-paid female actress in 2010 and 2014, and earning a spot as one of Time's '100 Most Influential People In The World', she is definitely one of the savviest career women in Hollywood. She won an Academy Award and a Golden Globe for her work and has received many other nominations and awards for her performances.

Like any career in the spotlight, romantic controversies, such as cheating scandals, can steal a performer’s thunder and eclipse even their greatest accomplishments. A highly-publicized incident in her life inspired her to keep her personal life to herself. Because of her more recent retreat into privacy, people are left wondering what’s going on with her romantic life.

Is Sandra Bullock single? Here's what we know about her relationships.

15 Putting Parenting First

Because Sandra faced a very public divorce at almost the exact same time as she adopted her son, Louis, privacy became very important to the star. She was determined to build the family she wanted and made a deliberate effort to be less open with the press, all for the sake of her son.

Related: 15 Beloved Celebrities With The Most Kids

14 Missed Opportunities With Keanu Reeves

Bullock and Reeves have notably been in Speed and The Lake House together, but romance only happened when the cameras were rolling. While he was on The Ellen DeGeneres Show, Ellen revealed that Sandy had said she had a crush on Keanu in the past. Keanu, in his quietly confident way, let the world know that this was a missed connection, saying, “She obviously didn't know that I had a crush on her, either.”

13 Sharing A Dating History With Jennifer Aniston

Both Jennifer Aniston and Sandra Bullock have been romantically involved with Tate Donovan. Bullock met him on the set of a film in 1990 and they dated until 1994, with Donovan dating Aniston shortly after. Bullock spoke fondly of her ex, post-break-up, saying, “I adored Tate so much. It's like they say, there's one person in your life, and Tate and I are closer than any two people I've ever experienced in my life.”

Related: What Jennifer Aniston Has Revealed About Her Relationship With Brad Pitt

12 The Truth Behind Ex, Jesse James

Bullock married Monster Garage biker, Jesse James, in 2005, and reminded people not to judge a book by its cover. People did have doubts about her relationship with him. Unfortunately, less than two weeks after her Oscar win, Bullock - and the world - discovered that James was cheating on his award-winning wife...a lot. Humiliated, Bullock divorced James shortly after the scandal broke.

Related: 20 Pics Of Cheaters Who Got What They Deserved

11 Romance With Bryan Randall

When asked in 1999 if she thought there was one person for her, she quite candidly said, “I don't know!" and admitted that, at one time, she was afraid of marriage. Now, nearly five years into her relationship with Bryan Randall, it’s clear that she’s met someone who she wants to share her life with.

10 Blindsided By Troy Aikman

Long before Bullock was involved in an award-winning film about football, she was rumored to have dated Dallas Cowboys’ star, Troy Aikman. Bullock was repeatedly questioned about their romantic status in 1995 and would neither confirm nor deny whether things qualified as a fling, a friendship, or otherwise. She said, "I don't want to put myself in the dating category" with the athlete.

9 Says She Doesn't Need A Man To Be Happy

Bullock knows what she wants for her family and career, having clocked over 25 years as a success in the business.

Even back in 2000, she was so confident in herself: "I don't need a man to be happy. But it takes some time to realize that. I don't need to find a man to progress as a human being. I'd do it with him. And if I happen to outgrow him, or he outgrows me, that's what happens. I've never been in a place that I couldn't get out of. Yes, sometimes you stay in a place for a while because you're trying to figure out. You wonder whether you're going through a phase, or whether something is really not working, or if it's just another hill."

8 Swearing Off Dating Actors

After being burned by a couple of tough breakups from fellow industry professionals, Bullock said she would look for romance outside of her profession, swearing off fellow thespians. Bullock later softened her stance on issues with dating in the industry, saying, "I generalized and it wasn't fair because I met some people that aren't that way", according to E Online.

7 Killing Time With Matthew McConaughey

Because of their onscreen chemistry in A Time To Kill, the two were rumored to be dating on and off for two years. Neither would confirm anything more than a solid friendship.

She said of their chemistry, "It's the work we both put in. There's a great amount of respect and love. I feel very cared for by Matthew. No matter where he is in his life or where I am in mine—he could be married—I know we would stay close", according to E Online.

Today, Bullock remains friends with Matthew and has built a friendship with his wife, Camilla Alves.

6 Heating Things Up With Ryan Gosling

In 2003, Sandra Bullock had people talking because of her “May-December” romance with Ryan Gosling, who is 16 years younger. The two met on the film, Murder By Numbers, and Bullock was cheeky when questioned about the nature of their relationship.

She said, “Let me see if I can answer that politically and correctly. We're friends. Adding "just" would probably be a bit of a lie. So, I'd say we're friends", according to Cosmopolitan.