The 19-time English champions will play Vålerenga at Ullevaal Stadium on Sunday 5 August. Tickets for the general public go on sale Wednesday 23 May.
Kiss will headline the inaugural Kollen Summer Festival in Holmenkollen 29-30 June.
Norway's largest amusement park opens for the summer with a new attraction, The Western Express rollercoaster.
The free Oslo - Official City App is now available for iPhone, iPad, and Android. The app can be used even when data roaming is turned off.
The famous restaurant guide also gives one star to Bagatelle, and Statholdergaarden and Restaurant Oscarsgate still have one star each.
Richie will perform in Oslo Spektrum on 12 October. Tickets go on sale Monday 12 March.
The new Kollen festival will be held by the Holmenkollen Ski Jump 29-30 June. In addition to Rihanna, more than 20 artists and bands will perform.
The hip-hop superstars will perform in Telenor Arena on Monday 28 May. Tickets are on sale now.
Tony Bennett will give Oslo Jazz Festival 2012 an early start in the Norwegian Opera & Ballet on Wednesday 8 August. Tickets are on sale now.
Madonna is back with new music and a new tour, and in August you can see her live on stage in Telenor Arena. Tickets on sale from 20 February.
Guetta is one of the world's most popular DJs, and this summer he is coming to Vallhall in Oslo. Tickets are now on sale at billettservice.no.
The superstar sprinter is coming to Oslo 7 June to run the 100 metres in the Diamond League event at Bislett stadium. Tickets are on sale now.
Tom Petty & the Heartbreakers will headline the festival on Friday 15 June, the same day that Lenny Kravitz is playing. Day tickets and festival passes are on sale now.
The Stone Roses, Bon Iver and Björk have already been confirmed as headliners. Tickets are on sale now at billettservice.no.
In 2012 Norwegian Air Shuttle will launch eight new routes to Sandefjord Airport Torp and six new routes to Oslo Airport Gardermoen.
The lifestyle magazine put Oslo in the "Best City" category at the design awards, placing the Norwegian capital in great company with Chicago, Hong Kong, Johannseburg and Rio de Janeiro.