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"  This just in: Barack Obama is BACK in the White House as US President. And, like any good Prez, he decided to celebrate with a self-congratulatory tweet (accompanied with a cute pic of he and wife Michelle) - which has since become the most popular tweet of all time.  &amp;quot;Four more years&amp;quot; Now that&amp;#039;s power! BEST CELEB TWITTER PICS Celebs have followed Obama&amp;#039;s lead, taking to Twitter to share in their election joy. And we&amp;#039;ve cherry-picked our faves to help celebrate Barack Obama&amp;#039;s re-election in typical Cosmo girl style... Katy Perry was overjoyed with the news, tweeting: &amp;quot;The people have the power! Proud to stand by you for 4 more years. RT @BarackObama This happened because of you. Thank you.&amp;quot; Lady Gaga, a staunch Obama supporter, followed Katy&amp;#039;s lead: &amp;quot;I JUST GOT OFF STAGE IN COLUMBIA!! CONGRATULATIONS MR. PRESIDENT @BarackObama We are so proud to be American tonight! YES!!! YES! YES!!&amp;quot;  GET COSMO&amp;#039;S DAILY BEST BEAUTY BUY &amp;quot;OMG! IM SO HAPPY! THIS IS ONE OF THE GREAT NITES OF MY LIFE !!!!&amp;quot; tweeted Cher, whose account was flooded with posts of joy. Ricky Gervais chose to hide his happiness with a more casual congratulations, showcasing his signature wit as Barack was re-elected into power: &amp;quot;Well Done America. We knew you&amp;#039;d get it right.&amp;quot; And Eva Longoria, who wowed us all at Cannes 2012, was also behind Barack Obama: &amp;quot;Amazing speech by @BarackObama re-elected for his 2nd term! America is and can be united for the greater good of all Americans!&amp;quot; SEE TODAY&amp;#039;S HAIRSTYLE OF THE DAY Mariah Carey, moved by Obama&amp;#039;s speech, tweeted: &amp;quot;INCREDIBLE SPEECH!!!!!! Watching in a room full of diverse people-all truly moved. Thank you America for President Obama-4more yrs.&amp;quot; Congratulations to Barack Obama from all us here at Cosmo - here&amp;#039;s to another four years! "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cosmopolitan.co.uk/entertainment/news/a17902/us-election-results-obama-katy-perry-lady-gaga-twitter/>