Yep, it's true. Rockstar Games has just announced that they are releasing the expansion packs for PS3 and PC.

We are happy to announce the much anticipated release of Grand Theft Auto: Episodes from Liberty City for the PlayStation®3 computer entertainment system and Games for Windows® - LIVE on March 30, 2010. For the first time, PlayStation 3 and Games for Windows - LIVE players will have the opportunity to experience the last two thrilling chapters of the Grand Theft Auto IV saga.

The two action packed episodes will also be available for download on the PlayStation Network and Games for Windows® LIVE on March 30, 2010. Each episode boasts the same detailed and immersive Liberty City we all know and love. Games for Windows - LIVE players can enjoy 32-player multiplayer matches and an advanced video editor, and all fans will have the chance to once again listen to the dulcet tones of Liberty City Radio.

Source: Rockstar Newswire

Rockstar will be hosting yet another Ballad of Gay Tony multiplayer session this Thursday, 21st January from 4:00 to 7:00 PM EST (9:00 - 12:00 GMT). Full details of the event can of course be found on the Rockstar Newswire posting, and once again the event will be streamed live on the Social Club so those of you who can't join in the fun will be able to watch it all unfold.

A recap plus screenshots of the last event can be found here.