Carri Underwood and Miranda Lambert at the CMT Music Awards
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As previously reported, Iggy Azalea spends a sixth week at No. 1 on the Billboard Hot 100 with "Fancy," featuring Charli XCX, while Vine star Shawn Mendes debuts with his debut single "Life of the Party" at No. 24. Who else parties up Billboard song charts this week?

Miranda Lambert, Carrie Underwood: The pair puts on an impressive display of girl power on Hot Country Songs, as "Somethin' Bad" vaults 18-1 with top Streaming Gainer honors. The track also flies to the top of Country Streaming Songs (11-1) with a 506 percent gain to 4.2 million U.S. streams, according to Nielsen BDS, after its official video premiered on June 26. (On the Hot 100, it blasts 84-19.) "Bad" is Underwood's 13th Hot Country Songs No. 1 and Lambert's fifth.

How rare is it for solo women to team up for a Hot Country Songs No. 1? It had happened only twice before since Billboard launched its first multi-metric-based country chart in October 1958: Dolly Parton, Linda Ronstadt and Emmylou Harris led the May 16, 1987, list with "To Know Him Is to Love Him," and Reba McEntire and Linda Davis spent a week at No. 1 with "Does He Love You" (Nov. 6, 1993; Davis is the mother of Lady Antebellum's Hillary Scott, who was seven years old at the time).

Kenny Chesney: Just in time for July 4, Chesney charges 17-6 on Hot Country Songs with "American Kids," the chart's top Digital Gainer. It roars 7-1 on Country Digital Songs (74,000 downloads sold, up 87 percent, according to Nielsen SoundScan) following its first full week of retail availability. It also enters Country Streaming Songs at No. 14 (624,000, up 392 percent); its official clip premieredMonday (June 30), likely translating to even greater streaming gains next week. On Country Airplay, "Kids" climbs 27-20 (18 million, up 39 percent). "Kids" bounds 82-43 on the Hot 100.

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Tinashe: On Hot R&B/Hip-Hop Songs, she scores her first top 10, as "2 On," featuring Schoolboy Q, jumps 13-9, grabbing both top Airplay and Streaming Gainer tags. Across streaming services, the track climbed to 1.8 million domestic clicks (a 141 percent rise), with 65 percent stemming from YouTube and Vevo on YouTube views. On the Rhythmic chart, the track climbs 4-3 with a 19 percent gain, with KSFM Sacramento, Calif., leading in weekly plays (132). "2 On" concurrently becomes Tinashe's first top 40 Hot 100 hit (57-40).

Prior to her breakout hit, Tinashe made multimedia inroads by appearing on CBS' "Two and a Half Men" and with voice work on the hit holiday film "The Polar Express."

Coldplay: The group celebrates its second No. 1 on Dance Club Songs with "A Sky Full of Stars" (3-1). Produced with Avicii and remixed by Disciples and Bassanova, among others, the rock band's EDM track (which bullets at No. 57 on the Hot 100) has shown wide appeal; it also bounds 13-11 on Alternative and 20-17 on Adult Top 40. "Sky" is Coldplay's third consecutive Dance Club Songs top 10, and fourth overall visit, spread across more than a decade. After "Clocks" hit No. 31 in 2003, "Talk" reached No. 1 in 2006 and "Paradise" rose to No. 7 in 2011.

"Stars" already became Coldplay's first No. 1 on Hot Rock Songs and, with a No. 10 peak, its first top 10 on the Hot 100 since "Viva La Vida" hit No. 1 on June 28, 2008.

Jamie N Commons & X Ambassadors: "Jungle" breaks into the top 10 on Hot Rock Songs (14-10) with the top Digital Gainer award. On the Hot 100, it re-enters at a new high of No. 87. It sold 45,000 downloads, a 79 percent increase, in the week ending June 29, and has sold 141,000 to date. The track has gained its latest momentum from its inclusion in Beats Electronics' five-minute spot created for the World Cup titled "The Game Before the Game." The ad clip boasts 21 million worldwide YouTube views.

Imagine Dragons: "Battle Cry," penned with Hans Zimmer and Steve Jablonsky for the "Transformers: Age of Extinction" soundtrack, re-enters Hot Rock Songs at a new peak (No. 28) after denting the chart (at No. 50) for a week last month. The cut shows a 292 percent increase in sales (to 12,000 U.S. downloads), with the movie having opened last weekend (June 27).

Calibre 50: The act hops 2-1 on Regional Mexican Airplay with "Tus Latidos," grasping its second chart-topper. The song rises by 12 percent to 8.6 million audience impressions. It also steps 11-10 on Hot Latin Songs, becoming the group's third top 10 on the tally.

Additional reporting by Amaya Mendizabal, Gordon Murray and Emily White