5 Stars Who Seriously Killed It In 2015

Before ringing in the new year, it's time to allow one last bow for the stars who totally owned 2015. In the video above, Caitlyn Becker looks back on the celebrities who made us smile all year long.

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Amy Schumer Fought For Stricter Gun Control

Comedienne Amy Schumer is employing humor, no-nonsense legislation -- whatever it takes -- to help bring stricter gun control to the U.S.&nbsp;The actress was inspired to take a vocal stand after a gunman shot to death two women at a <a href="http://www.huffingtonpost.com/entry/lafayette-theater-shooting-gunman-victims_55b23a60e4b0224d8831d6ae">screening of her film &ldquo;Trainwreck&rdquo;</a> in a Louisiana theater this summer. &nbsp;About a week later, Schumer joined her cousin <a href="http://www.huffingtonpost.com/entry/amy-schumer-gun-control_55bf9e92e4b0b23e3ce3641e">Sen. Chuck Schumer </a>(D-N.Y.) at a press conference as he introduced a three-part legislative gun control plan. <br /><br />She drove the point home in October when <a href="http://www.huffingtonpost.com/entry/amy-schumer-guns-snl_561a6fa7e4b0e66ad4c83e60">she hosted "Saturday Night Live</a>" and starred in a mock PSA, aptly titled &ldquo;Guns,&rdquo; which reminded viewers how we&rsquo;ve let guns infiltrate nearly every aspect of our everyday lives.

John Legend and Chrissy Teigen Took A Stand For Planned Parenthood

At least these #relationshipgoals are within reach. After a gunman shot and <a href="http://www.huffingtonpost.com/entry/planned-parenthood-shooting-appears-to-have-been-politically-motivated_565a60cfe4b079b2818a98ab">killed three people at a Planned Parenthood center </a>in Colorado, John Legend and Chrissy Teigen <a href="http://www.huffingtonpost.com/entry/chrissy-teigen-tweets-reaction-to-planned-parenthood-shooting-in-colorado-springs_5658b51ce4b072e9d1c1f16b">donated funds to the&nbsp;organization</a> and urged their fans to do the same.

Zendaya Supported Brothers Orphaned By AIDS For Her Birthday

When <a href="http://www.people.com/article/zendaya-birthday-fundraiser-three-brothers-lost-parents-aids-south-africa">Zendaya turned 19 this year</a>, she wanted nothing more than to find a way to help three South African brothers who were orphaned by AIDS. She met the boys while on a UNAIDS trip in July and launched an online fundraiser to help support them, according to People. &nbsp;<br />

Miley Cyrus Helped Homeless Youth

Miley Cyrus knows how to get our attention, especially when it comes to causes we should be caring more about. After making headlines for inviting a homeless man to accept her trophy at the <a href="http://www.huffingtonpost.com/2014/08/24/miley-cyrus-homeless-youth_n_5706401.html,">Video Music Awards </a>last year, the &ldquo;Wrecking Ball&rdquo; singer launched the <a href="http://www.happyhippies.org/">Happy Hippie Foundation,</a>&nbsp;a nonprofit that supports homeless youth. "When you have all eyes on you, <a href="http://www.huffingtonpost.com/2015/05/05/miley-cyrus-homeless-charity_n_7213444.html">what are you saying?&rdquo;</a> Cyrus told the Associated Press after starting the organization. &ldquo;And that's what I had to ask myself a lot.&rdquo;&nbsp;

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This article originally appeared on HuffPost.