Reese and film agent Jim tied the knot on 26 March in a ceremony at Witherspoon's six-acre California ranch.
The 35-year-old Legally Blonde star reportedly wore a Monique Lhullier dress as the couple exchanged vows on 26 March.
Among the 120 guests attending were A-Listers Renee Zellweger, Spiderman star Tobey Maguire, Isla Fisher, Matthew McConaughey and Alyssa Milano.
Reese was previously married to the father of her two children, Ava and Deacon, Ryan Phillipe, for eight years.
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.