It's time to welcome a new Justin Bieber jam into the Top 20 Songs countdown. The 'Believe' hit maker has released his club banger 'All Around the World' to radio, and it's coming in at the No. 20 spot this week, March 25-31, 2013.

Further down, fun. are also debuting with 'Carry On,' while frontman Nate Ruess can also be heard at No. 15, on his duet with Pink, 'Just Give Me a Reason.' Check out what else is in store for this weekend's Top 20 countdown, and find out where you can tune in below.

Top 20 Songs: Week of March 25 - 31, 2013

20. Justin Bieber, 'All Around the World'
19. fun., 'Carry On'
18. Fall Out Boy, 'My Songs Know What You Did in the Dark'
17. Taylor Swift, '22'
16. Mumford & Sons, 'I Will Wait'
15. Pink, 'Just Give Me a Reason' Feat. Nate Ruess
14. Krewella, 'Alive'
13. Demi Lovato, 'Heart Attack'
12. Olly Murs, 'Troublemaker' Feat. Flo Rida
11. Imagine Dragons, 'It's Time'
10. Pitbull, 'Feel This Moment' Feat. Christina Aguilera
9., 'Scream & Shout' Feat. Britney Spears
8. Kelly Clarkson, 'Catch My Breath'
7. Rihanna, 'Stay' Feat. Mikky Ekko
6. Swedish House Mafia, 'Don't You Worry Child'
5. Taylor Swift, 'I Knew You Were Trouble'
4. Calvin Harris, 'Sweet Nothing' Feat. Florence Welch
3. Justin Timberlake, 'Suit & Tie'
2. Bruno Mars, 'When I Was Your Man'
1. Maroon 5, 'Daylight'

Note: Every Monday, PopCrush will publish a list of our Top 20 songs for that given week. Then, over the weekend, fans can tune in to our national radio show to hear all of these hot songs plus some other amazing pop tunes. To see a list of radio stations where you can hear the PopCrush Top 20 countdown, click here.