The Hough siblings goof off at a summery bash in L.A. Plus: Ryan Reynolds, Gwen Stefani, Johnny Depp, Miley Cyrus and more

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"Orange" you jealous of their fun? Julianne Hough and actress pal Jessica Szohr get photo-bombed by Hough's goofball brother Derek at the SVEDKA with a Splash of Summer event in Beverly Hills on Tuesday.