25th Nickelodeon's Kids Choice Awards: Arrivals, Winners and See Who Got Slimed! [PHOTOS]

One again, green slime flooded the stage as Taylor Swift and Justin Bieber became Kids Choice Awards big winners. Famous celebrities gathered up in attendance for some dose of slime and fun at the 25th annual Nickelodeon's Kids Choice Awards.

The fun filled and slime filled show was hosted by "Men in Black" star Will Smith last March 31 in Los Angeles, California. There were also medieval themed performance from Katy Perry while British boyband One Direction performed "What Makes You Beautiful."

Apart from the entertainment on stage that night, audience awaits those who showed up at the arrival. Celebrities like Heidi Klum, Selena Gomez, Kristen Stewart, Emma Stone, Ashley Tisdale posed in their fun and casual ensembles. Meanwhile JadaPinkett-Smith who was with daughter Willow Smith looked a bit "too young" with her chosen style.

Michelle Obama was part of the show to present the "Big Help" award to an overwhelmed Taylor Swift. The honor was given to a celebrity who has taken the time and effort for charitable causes. The country singer was singled out for her work to stop bullying and giving aid to tornado victims in the southern USA.

Obama described Swift as someone who has rocketed her way on top of the music industry but still keeps her feet on the ground. She also added that Taylor would be someone who is going to make sparks fly in the years ahead.

Apart from Taylor, another big winner of the night is Justin Bieber as he won the "Favorite Male Singer" in fan voting. The trophy was handed to him by the show's host Will SMith.

Another surprise for the 18-year-old popstar was when he won "the celebrity they most wanted to see get slimed" and that's when the green goo were aimed at him on stage. The "Baby" singer didn't seem to mind as he was seen smiling even after being covered in green. Gorgeous ladies Heidi Klum and Halle Berry, including "Twilight" star Taylor Lautner were also among those who got splattered in slime.

Here is the full list of winners at the 25th Nickelodeon's Kids Choice Awards:

Favorite Music Group: Big Time Rush

Favorite Reality Show: Wipeout

Favorite TV Actor: Jake Short

Favorite Movie Actor: Adam Sandler

Favorite TV Actress: Selena Gomez

Favorite Female Singer: Selena Gomez

Favorite Cartoon: SpongeBob SquarePants

Favorite Athlete: Tim Tebow

Favorite Female Athlete: Danica Patrick

Favorite Book: Diary of a Wimpy Kid

Favorite Animated Movie Voice: Katy Perry, The Smurfs