Season 4 bought about many different changes to Fortnite Battle Royale, including the addition of Blockbuster Challenges. The Blockbuster Challenges required players to complete all the 7 challenges of the week, which will then unlock a loading screen for each week. These loading screens contained clues to the location of hidden Battle Stars, which are located on the Fortnite Map. If you are still struggling to find these hidden Battle Stars, you can find the full list here.
The whole community have been speculating about what the new skin for completing all the Blockbuster challenges will be and it has now been leaked from the V4.4 update by the notorious dataminers @TwoEpicBuddies:
This is also the loading screen for Week 7.
You can now find the hideen Battle Star for Week 7. Here’s the hidden location: