Lady Gaga wraps her arm around 17-year-old Emily-Anne Rigal in this sneak peek from the upcoming 2011 TeenNick’s Halo Awards.

The award show recognizes real-life teens who are “Helping and Leading Others” (HALO).

This year’s honorees were surprised with a visit from creator Nick Cannon, awarded a grant for their organization, and given a meet-and-greet with a celeb who shares a similar passion for their cause!

Taylor Swift met with 19-year-old James O’Dwyer, while Jessica Biel was paired with Shanoah Washington, 18.

David Beckham, meanwhile, hit the soccer field with 18-year-old Kyle Weiss.

The 2011 TeenNick Halo Awards will premiere Sunday, November 6, at 8 p.m. ET/PT on TeenNick!

Lady Gaga and Oprah Winfrey took the top two spots on Forbes‘ list of the world’s most powerful celebrities.

Celebs were ranked by consulting industry insiders, who came up with estimates of how much each celeb earned in the past year. Online exposure and press mentions were also factored in.

Rounding out the top five were Justin Bieber, U2, and Elton John.

Click inside to check out the Forbes’ Celebrity 100…

1 — Lady Gaga
2 — Oprah Winfrey
3 — Justin Bieber
4 — U2
5 — Elton John
6 — Tiger Woods
7 — Taylor Swift
8 – Bon Jovi
9 — Simon Cowell
10 — Lebron James
11 — Angelina Jolie
12 — Katy Perry
13 — Johnny Depp
14 — Kobe Bryant
15 — Leonardo DiCaprio
16 — Black Eyed Peas
17 — Donald Trump
18 — Dr. Phil McGraw
19 — Tyler Perry
20 — Paul McCartney
21 — Jennifer Aniston
22 — Steven Spielberg
23 — Rush Limbaugh
24 — Ryan Seacrest
25 — Roger Federer
26 — Howard Stern
27 — James Cameron
28 — Charlie Sheen
29 — Beyonce Knowles
30 — Glenn Beck
31 — Ellen DeGeneres
32 — Usher
33 — David Letterman
34 — Muse
35 — David Beckham
35 — Phil Mickelson
37 — James Patterson
38 — Jay-Z
39 — Jerry Bruckheimer
40 — Jerry Seinfeld
41 — Adam Sandler
42 — Bethenny Frankel
43 — Cristiano Ronaldo
44 — Sandra Bullock
45 — Brad Pitt
46 — Rafael Nadal
47 — Christopher Nolan
48 — Brad Paisley
49 — Alex Rodriguez
50 — Jennifer Lopez

Lady Gaga and Alicia Keys are DoSomething.org’s causiest celebs of the year!

The not-for-profit organization that helps connect young people to causes named 20 celebs who are changing their communities for the better in their Celebs Gone Good list on Thursday (December 23).

Rounding out the top five were Taylor Swift, Ashton Kutcher and Demi Moore, and Ellen DeGeneres.

Check out the entire list over at DoSomething.org!