The 84th Annual Academy Awards air tonight at 7 p.m. ET on ABC with a red carpet show and then the 2012 Oscars ceremony at 8:25 p.m. ET. It is one of the most popular awards shows and there are several ways to watch the events of the night via live stream online if not on television on Oscar Sunday. (Watch the celebrities arrive now here.)

Billy Crystal will host the 2012 Oscars ceremony, which will be shown in more than 225 countries worldwide. Here's how to watch the 2012 Oscars and related events via live stream:

-- Watch the 2012 Oscars via your iPhone or iPad with the Oscars app: With this app you can get all access to the live streams backstage, watch movie trailers and more.

-- 2012 Oscars videos can be watched online on the official Oscar Web site, where you can also get backstage live streams.

-- E! Online will also provide llive stream of the Red Carpet.

-- Comcast will also offer a live stream of E! Online's red carpet live via Android Market.

-- The Oscars can also be watched on CTV. YouTube's Oscar channel and Yahoo movies can also provide more Oscars 2012 details.

--  In the past live stream channels such as Livestream.com/AcademyAwards, Livestream.com/APLive or Livestream.com/theoscars, UStream TV and Justin TV provided content so you can keep track of those. However, ABC is the official channel broadcasting the 2012 Oscars and is providing no live streams.

Related Article: What Channel is the 2012 Oscars on? Quick Links, Red Carpet Start Time