Noah Cyrus gets support from big sister Miley at her iHeartRadio debut and more celebrity photos

March 5: Noah Cyrus, 17, got some family support from mom and dad Tish and Billy Ray Cyrus, and of course big sister Miley Cyrus for her stage debut at the 2017 iHeartRadio Music Awards. Photo: Christopher Polk/Getty Images for iHeartMedia

March 5: Noah Cyrus made her awards show performance debut with Make Me (Cry) with Labrinth at the 2017 iHeartRadio Music Awards in Inglewood, California. Photo: Rich Polk/Getty Images for iHeartMedia

March 5: No sign of heartbreak for newly-single Katy Perry, who took to the stage for a perfomance at the 2017 iHeartRadio Music Awards in Inglewood, California. Photo: Christopher Polk/Getty Images for iHeartMedia

March 5: Jason Derulo, left, and actor Jeremy Renner, right, congratulated Justin Timberlake, who won Song of the Year for Can't Stop The Feeling at the 2017 iHeartRadio Music Awards in Inglewood, California Photo: Getty Images

March 5: Fifth Harmony rocked the scene as a foursome at the 2017 iHeartRadio Music Awards – which was broadcast live on Turner's TBS, TNT, and truTV in – Inglewood, California. Photo: JB Lacroix/WireImage

March 4: Octavia Spencer nailed her hosting gig on Saturday Night Live. The 46-year-old Hidden Figures star poked fun at the 2017 Academy Awards ceremony in her monologue, saying: “There were three black movies at the Oscars this year — that’s a lot for America." Photo: Rosalind O'Connor/NBC

March 4: Karolina Kurkova and Adriana Lima had some fun in the sun at Veuve Clicquot's Carnaval celebration in Miami. Photo: World Red Eye

March 3: Anchors away! Julianne Hough and her closest gal pals set sail on a Celebrity Cruise to celebrate the bride-to-be. Prior to boarding, Hough and co. (which included her bestie, Nina Dobrev) kicked off the weekend at a fabulous resort. Then the party boarded a world-class penthouse suite on the luxury liner. The floating mini-mansion features: two state of the art interactive entertainment systems, a baby grand piano, marble floors, sweeping balconies, a living room, dining room, music center, a private veranda with a whirlpool and lounge. It oozes glamour, even boasting a European-style butler service. Happy bachelorette weekend, Julianne! Photo: Celebrity Cruises/Instagram/@juleshough

March 2: Ryan Seacrest and Jason Derulo attended the 2017 iHeartRadio Music Awards Media Preview Day at The Forum in Inglewood, California. The pair posed with one of the night's trophies! Photo: Leon Bennett/Getty Images

March 2: Emma Watson fangirled over Celine Dion at the premiere of Disney's Beauty And The Beast at El Capitan Theatre in L.A. Celine recorded a new song for the film called: “How Does a Moment Last Forever." Photo: Todd Williamson/Getty Images

March 2: Hugh Jackman kindly stopped to greet his fans outside The Late Show With Stephen Colbert at Ed Sullivan Theater in New York City. The Logan star was out and about to promote his new film. Photo: John Lamparski/GC Images/Getty Images

March 2: Shades of BUILD! Co-stars Jennifer Lopez and Ray Liotta dropped by BUILD Series NYC to discuss the second season of their NBC show Shades of Blue. Clad in a Zuhair Murad sweater, the 47-year-old actress talked about how she loves filming in New York City because it feels like home. "It takes me way back," she said. "As an actor that really helps." Photo: BUILD

March 1: Seeing double! Will the real Luke Bryan please stand up? Madame Tussauds unveiled the singer's new Nashville wax figure in Times Square. After receiving the honor, Luke (sans-wax) headlined Madison Square Garden. Photo: Craig Barritt/Getty Images for Madame Tussauds Nashville

February 28: Victoria’s Secret Angels Stella Maxwell and Romee Strijd launched the all new Dream Angels collection. The models shared their "sexiest spring must-haves" at the world’s sexiest store on 5th Avenue in NYC. Photo: Getty Images

February 28: Adele delighted her fans at Domain Stadium in Perth, Australia as part of her world tour. This was the 28-year-old Grammy-award winning singer’s first concert of 2017. Photo: Paul Kane/Getty Images

February 28: Rihanna was presented with Harvard University's Humanitarian Award. The 29-year-old singer gave a beautiful speech upon being honored, urging the crowd of students to "help in any way." She went on to say: “All you need to do is help one person, expecting nothing in return. To me, that is a humanitarian. What that little girl watching those commercials didn’t know is that you don’t have to be rich to be a humanitarian, you don’t have to be rich to help somebody. You don’t have to be famous, you don’t even have to be college educated... But it starts with your neighbour, the person right next to you." Photo: Getty Images

February 28: Fresh out of Nashville, Connie Britton stopped by BUILD Series NYC to talk about her departure from the show. She thanked and sent bounds of love to her fans. Photo: Santiago Felipe/Getty Images

February 27: New squad alert! DJ Khaled hinted at a collaboration with talent like Justin Bieber, Chance the Rapper, Migos and Lil Wayne. The rapper posted a bunch of Instagram photos featuring the artists, asking his fans to keep it "top secret." "More history is being made," he wrote, "FAN LUV I PROMISE YOU IM GOING ALL OUT ON MY 10th studio album #GRATEFUL !! ITS COMING!!" DJ went on to say, "Please keep this SECRET ANTHEM SECRET VIDEO! TOP SECRET !!" Justin Bieber reposted several of the photos as well. Photo: Instagram/@djkhaled